121207850252 has 12 divisors (see below), whose sum is σ = 212142143976. Its totient is φ = 60595809120.

The previous prime is 121207850249. The next prime is 121207850273. The reversal of 121207850252 is 252058702121.

It is a super-2 number, since 2×121207850252² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1995338 + ... + 2055185.

It is an arithmetic number, because the mean of its divisors is an integer number (17678511998).

Almost surely, 2^121207850252 is an apocalyptic number.

It is an amenable number.

121207850252 is a deficient number, since it is larger than the sum of its proper divisors (90934293724).

121207850252 is a wasteful number, since it uses less digits than its factorization.

121207850252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4058008 (or 4058006 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 35.

The spelling of 121207850252 in words is "one hundred twenty-one billion, two hundred seven million, eight hundred fifty thousand, two hundred fifty-two".