20112012300 has 72 divisors (see below), whose sum is σ = 59763511696. Its totient is φ = 5218248960.

The previous prime is 20112012269. The next prime is 20112012311. The reversal of 20112012300 is 321021102.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 894847 + ... + 917046.

Almost surely, 2^20112012300 is an apocalyptic number.

20112012300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20112012300 is an abundant number, since it is smaller than the sum of its proper divisors (39651499396).

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

20112012300 is a wasteful number, since it uses less digits than its factorization.

20112012300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1811947 (or 1811940 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 20112012300 its reverse (321021102), we get a palindrome (20433033402).

The spelling of 20112012300 in words is "twenty billion, one hundred twelve million, twelve thousand, three hundred".