121110010012 has 24 divisors (see below), whose sum is σ = 224437829616. Its totient is φ = 56985808128.

The previous prime is 121110009973. The next prime is 121110010031. The reversal of 121110010012 is 210010011121.

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, 456543 + ... + 671305.

It is an arithmetic number, because the mean of its divisors is an integer number (9351576234).

Almost surely, 2^121110010012 is an apocalyptic number.

It is an amenable number.

121110010012 is a deficient number, since it is larger than the sum of its proper divisors (103327819604).

121110010012 is a wasteful number, since it uses less digits than its factorization.

121110010012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223077 (or 223075 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 121110010012 its reverse (210010011121), we get a palindrome (331120021133).

The spelling of 121110010012 in words is "one hundred twenty-one billion, one hundred ten million, ten thousand, twelve".