1234218790116 has 81 divisors (see below), whose sum is σ = 3378515560329. Its totient is φ = 379732964832.

The previous prime is 1234218790031. The next prime is 1234218790153. The reversal of 1234218790116 is 6110978124321.

The square root of 1234218790116 is 1110954.

It is a perfect power (a square), and thus also a powerful number.

1234218790116 is a `hidden beast` number, since 1 + 23 + 421 + 8 + 7 + 90 + 116 = 666.

It can be written as a sum of positive squares in only one way, i.e., 182576744100 + 1051642046016 = 427290^2 + 1025496^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 86647291 + ... + 86661533.

Almost surely, 2^{1234218790116} is an apocalyptic number.

1234218790116 is the 1110954-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1234218790116

1234218790116 is an abundant number, since it is smaller than the sum of its proper divisors (2144296770213).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1234218790116 is an equidigital number, since it uses as much as digits as its factorization.

1234218790116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28522 (or 14261 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The spelling of 1234218790116 in words is "one trillion, two hundred thirty-four billion, two hundred eighteen million, seven hundred ninety thousand, one hundred sixteen".