122121011131012 has 24 divisors (see below), whose sum is σ = 216402376641696. Its totient is φ = 60294602604288.

The previous prime is 122121011130991. The next prime is 122121011131079. The reversal of 122121011131012 is 210131110121221.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 355070638 + ... + 355414405.

It is an arithmetic number, because the mean of its divisors is an integer number (9016765693404).

Almost surely, 2^{122121011131012} is an apocalyptic number.

It is an amenable number.

122121011131012 is a deficient number, since it is larger than the sum of its proper divisors (94281365510684).

122121011131012 is a wasteful number, since it uses less digits than its factorization.

122121011131012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710485587 (or 710485585 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 19.

Adding to 122121011131012 its reverse (210131110121221), we get a palindrome (332252121252233).

The spelling of 122121011131012 in words is "one hundred twenty-two trillion, one hundred twenty-one billion, eleven million, one hundred thirty-one thousand, twelve".