1220012210102 has 16 divisors (see below), whose sum is σ = 2091665415840. Its totient is φ = 522808397568.

The previous prime is 1220012210101. The next prime is 1220012210111. The reversal of 1220012210102 is 2010122100221.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220012210101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4357577 + ... + 4629092.

It is an arithmetic number, because the mean of its divisors is an integer number (130729088490).

Almost surely, 2^{1220012210102} is an apocalyptic number.

1220012210102 is a deficient number, since it is larger than the sum of its proper divisors (871653205738).

1220012210102 is an equidigital number, since it uses as much as digits as its factorization.

1220012210102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8996375.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1220012210102 its reverse (2010122100221), we get a palindrome (3230134310323).

The spelling of 1220012210102 in words is "one trillion, two hundred twenty billion, twelve million, two hundred ten thousand, one hundred two".