121330121101012 has 24 divisors (see below), whose sum is σ = 214895216918592. Its totient is φ = 59931551232000.

The previous prime is 121330121100973. The next prime is 121330121101069. The reversal of 121330121101012 is 210101121033121.

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, 280864 + ... + 15580087.

It is an arithmetic number, because the mean of its divisors is an integer number (8953967371608).

Almost surely, 2^{121330121101012} is an apocalyptic number.

It is an amenable number.

121330121101012 is a deficient number, since it is larger than the sum of its proper divisors (93565095817580).

121330121101012 is a wasteful number, since it uses less digits than its factorization.

121330121101012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15884079 (or 15884077 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 121330121101012 its reverse (210101121033121), we get a palindrome (331431242134133).

The spelling of 121330121101012 in words is "one hundred twenty-one trillion, three hundred thirty billion, one hundred twenty-one million, one hundred one thousand, twelve".