121012200021012 has 48 divisors (see below), whose sum is σ = 282852116279040. Its totient is φ = 40267400527872.

The previous prime is 121012200020909. The next prime is 121012200021047. The reversal of 121012200021012 is 210120002210121.

It is a junction number, because it is equal to n+sod(n) for n = 121012200020982 and 121012200021000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18342213 + ... + 24051219.

It is an arithmetic number, because the mean of its divisors is an integer number (5892752422480).

Almost surely, 2^{121012200021012} is an apocalyptic number.

121012200021012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121012200021012 is an abundant number, since it is smaller than the sum of its proper divisors (161839916258028).

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

121012200021012 is a wasteful number, since it uses less digits than its factorization.

121012200021012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5712080 (or 5712078 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 121012200021012 its reverse (210120002210121), we get a palindrome (331132202231133).

The spelling of 121012200021012 in words is "one hundred twenty-one trillion, twelve billion, two hundred million, twenty-one thousand, twelve".