121322022012 has 18 divisors (see below), whose sum is σ = 306675111288. Its totient is φ = 40440673992.

The previous prime is 121322022007. The next prime is 121322022037. The reversal of 121322022012 is 210220223121.

121322022012 is a `hidden beast` number, since 1 + 213 + 220 + 220 + 12 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1685028048 + ... + 1685028119.

Almost surely, 2^121322022012 is an apocalyptic number.

121322022012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121322022012 is an abundant number, since it is smaller than the sum of its proper divisors (185353089276).

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

121322022012 is a wasteful number, since it uses less digits than its factorization.

121322022012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3370056177 (or 3370056172 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 121322022012 its reverse (210220223121), we get a palindrome (331542245133).

The spelling of 121322022012 in words is "one hundred twenty-one billion, three hundred twenty-two million, twenty-two thousand, twelve".