121001211220012 has 24 divisors (see below), whose sum is σ = 212311481840640. Its totient is φ = 60340877862480.

The previous prime is 121001211219989. The next prime is 121001211220091. The reversal of 121001211220012 is 210022112100121.

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, 5874258 + ... + 16628569.

It is an arithmetic number, because the mean of its divisors is an integer number (8846311743360).

Almost surely, 2^{121001211220012} is an apocalyptic number.

It is an amenable number.

121001211220012 is a deficient number, since it is larger than the sum of its proper divisors (91310270620628).

121001211220012 is a wasteful number, since it uses less digits than its factorization.

121001211220012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22506381 (or 22506379 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 121001211220012 its reverse (210022112100121), we get a palindrome (331023323320133).

The spelling of 121001211220012 in words is "one hundred twenty-one trillion, one billion, two hundred eleven million, two hundred twenty thousand, twelve".