121252275276 has 48 divisors (see below), whose sum is σ = 308663725440. Its totient is φ = 36740545920.

The previous prime is 121252275271. The next prime is 121252275301. The reversal of 121252275276 is 672572252121.

It is a super-2 number, since 2×121252275276² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121252275271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2820495 + ... + 2863161.

It is an arithmetic number, because the mean of its divisors is an integer number (6430494280).

Almost surely, 2^121252275276 is an apocalyptic number.

It is an amenable number.

121252275276 is an abundant number, since it is smaller than the sum of its proper divisors (187411450164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121252275276 is a wasteful number, since it uses less digits than its factorization.

121252275276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64214 (or 64212 counting only the distinct ones).

The product of its digits is 235200, while the sum is 42.

The spelling of 121252275276 in words is "one hundred twenty-one billion, two hundred fifty-two million, two hundred seventy-five thousand, two hundred seventy-six".