121011021012012 has 48 divisors (see below), whose sum is σ = 282483457401600. Its totient is φ = 40319236774080.

The previous prime is 121011021011987. The next prime is 121011021012143. The reversal of 121011021012012 is 210210120110121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 121011021011982 and 121011021012000.

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, 426206937 + ... + 426490767.

It is an arithmetic number, because the mean of its divisors is an integer number (5885072029200).

Almost surely, 2^{121011021012012} is an apocalyptic number.

121011021012012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121011021012012 is an abundant number, since it is smaller than the sum of its proper divisors (161472436389588).

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

121011021012012 is a wasteful number, since it uses less digits than its factorization.

121011021012012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299366 (or 299364 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 121011021012012 its reverse (210210120110121), we get a palindrome (331221141122133).

The spelling of 121011021012012 in words is "one hundred twenty-one trillion, eleven billion, twenty-one million, twelve thousand, twelve".