121032011220012 has 144 divisors (see below), whose sum is σ = 316497696313344. Its totient is φ = 38957798880000.

The previous prime is 121032011219983. The next prime is 121032011220017. The reversal of 121032011220012 is 210022110230121.

121032011220012 is a `hidden beast` number, since 1 + 21 + 0 + 320 + 112 + 200 + 12 = 666.

It is a super-2 number, since 2×121032011220012² (a number of 29 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (121032011220017) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 952561887 + ... + 952688937.

Almost surely, 2^{121032011220012} is an apocalyptic number.

121032011220012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121032011220012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158248848156672).

121032011220012 is an abundant number, since it is smaller than the sum of its proper divisors (195465685093332).

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

121032011220012 is a wasteful number, since it uses less digits than its factorization.

121032011220012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128940 (or 128935 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 121032011220012 its reverse (210022110230121), we get a palindrome (331054121450133).

The spelling of 121032011220012 in words is "one hundred twenty-one trillion, thirty-two billion, eleven million, two hundred twenty thousand, twelve".