121001022000012 has 96 divisors (see below), whose sum is σ = 354774650388480. Its totient is φ = 31181365696320.

The previous prime is 121001021999993. The next prime is 121001022000013. The reversal of 121001022000012 is 210000220100121.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (121001022000013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 515447562 + ... + 515682257.

It is an arithmetic number, because the mean of its divisors is an integer number (3695569274880).

Almost surely, 2^{121001022000012} is an apocalyptic number.

121001022000012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121001022000012 is an abundant number, since it is smaller than the sum of its proper divisors (233773628388468).

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

121001022000012 is a wasteful number, since it uses less digits than its factorization.

121001022000012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1031129971 (or 1031129969 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 121001022000012 its reverse (210000220100121), we get a palindrome (331001242100133).

The spelling of 121001022000012 in words is "one hundred twenty-one trillion, one billion, twenty-two million, twelve", and thus it is an aban number.