12101290252 has 6 divisors (see below), whose sum is σ = 21177257948. Its totient is φ = 6050645124.

The previous prime is 12101290249. The next prime is 12101290283. The reversal of 12101290252 is 25209210121.

It is a super-3 number, since 3×12101290252³ (a number of 31 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1512661278 + ... + 1512661285.

Almost surely, 2^12101290252 is an apocalyptic number.

It is an amenable number.

12101290252 is a deficient number, since it is larger than the sum of its proper divisors (9075967696).

12101290252 is a wasteful number, since it uses less digits than its factorization.

12101290252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3025322567 (or 3025322565 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 25.

The spelling of 12101290252 in words is "twelve billion, one hundred one million, two hundred ninety thousand, two hundred fifty-two".