12101292 has 48 divisors (see below), whose sum is σ = 35857920. Its totient is φ = 3457296.

The previous prime is 12101279. The next prime is 12101303. The reversal of 12101292 is 29210121.

12101292 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7248 + ... + 8759.

It is an arithmetic number, because the mean of its divisors is an integer number (747040).

Almost surely, 2^12101292 is an apocalyptic number.

12101292 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12101292 is an abundant number, since it is smaller than the sum of its proper divisors (23756628).

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

12101292 is a wasteful number, since it uses less digits than its factorization.

12101292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16027 (or 16019 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 12101292 is about 3478.6911331706. The cubic root of 12101292 is about 229.5852133476.

It can be divided in two parts, 121012 and 92, that added together give a square (121104 = 348²).

The spelling of 12101292 in words is "twelve million, one hundred one thousand, two hundred ninety-two".