12010477920 has 384 divisors, whose sum is σ = 44751522816. Its totient is φ = 2650669056.

The previous prime is 12010477909. The next prime is 12010477933. The reversal of 12010477920 is 2977401021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14014132 + ... + 14014988.

It is an arithmetic number, because the mean of its divisors is an integer number (116540424).

Almost surely, 2^12010477920 is an apocalyptic number.

12010477920 is a gapful number since it is divisible by the number (10) 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 12010477920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22375761408).

12010477920 is an abundant number, since it is smaller than the sum of its proper divisors (32741044896).

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

12010477920 is a wasteful number, since it uses less digits than its factorization.

12010477920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1022 (or 1014 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 33.

Adding to 12010477920 its reverse (2977401021), we get a palindrome (14987878941).

The spelling of 12010477920 in words is "twelve billion, ten million, four hundred seventy-seven thousand, nine hundred twenty".