12020752692 has 144 divisors (see below), whose sum is σ = 33149276160. Its totient is φ = 3650863104.

The previous prime is 12020752669. The next prime is 12020752721. The reversal of 12020752692 is 29625702021.

It is a happy number.

12020752692 is a `hidden beast` number, since 1 + 20 + 20 + 7 + 526 + 92 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15631284 + ... + 15632052.

Almost surely, 2^12020752692 is an apocalyptic number.

12020752692 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12020752692, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16574638080).

12020752692 is an abundant number, since it is smaller than the sum of its proper divisors (21128523468).

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

12020752692 is a wasteful number, since it uses less digits than its factorization.

12020752692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1182 (or 1177 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The spelling of 12020752692 in words is "twelve billion, twenty million, seven hundred fifty-two thousand, six hundred ninety-two".