120121221202012 has 24 divisors (see below), whose sum is σ = 221282783245440. Its totient is φ = 56897764544880.

The previous prime is 120121221201973. The next prime is 120121221202067. The reversal of 120121221202012 is 210202122121021.

It is a super-2 number, since 2×120121221202012² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21989314 + ... + 26903017.

It is an arithmetic number, because the mean of its divisors is an integer number (9220115968560).

Almost surely, 2^{120121221202012} is an apocalyptic number.

It is an amenable number.

120121221202012 is a deficient number, since it is larger than the sum of its proper divisors (101161562043428).

120121221202012 is a wasteful number, since it uses less digits than its factorization.

120121221202012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48924681 (or 48924679 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 120121221202012 its reverse (210202122121021), we get a palindrome (330323343323033).

The spelling of 120121221202012 in words is "one hundred twenty trillion, one hundred twenty-one billion, two hundred twenty-one million, two hundred two thousand, twelve".