121011022012 has 24 divisors (see below), whose sum is σ = 217361894400. Its totient is φ = 58920562800.

The previous prime is 121011022007. The next prime is 121011022049. The reversal of 121011022012 is 210220110121.

It is a junction number, because it is equal to n+sod(n) for n = 121011021983 and 121011022001.

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, 1579864 + ... + 1654687.

It is an arithmetic number, because the mean of its divisors is an integer number (9056745600).

Almost surely, 2^121011022012 is an apocalyptic number.

It is an amenable number.

121011022012 is a deficient number, since it is larger than the sum of its proper divisors (96350872388).

121011022012 is a wasteful number, since it uses less digits than its factorization.

121011022012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3234801 (or 3234799 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 121011022012 its reverse (210220110121), we get a palindrome (331231132133).

The spelling of 121011022012 in words is "one hundred twenty-one billion, eleven million, twenty-two thousand, twelve".