1012021112300 has 72 divisors (see below), whose sum is σ = 2398896721200. Its totient is φ = 367521235200.

The previous prime is 1012021112231. The next prime is 1012021112303. The reversal of 1012021112300 is 32111202101.

It is a super-2 number, since 2×1012021112300² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1012021112303) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 225026 + ... + 1440374.

Almost surely, 2^{1012021112300} is an apocalyptic number.

1012021112300 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 1012021112300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1199448360600).

1012021112300 is an abundant number, since it is smaller than the sum of its proper divisors (1386875608900).

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

1012021112300 is a wasteful number, since it uses less digits than its factorization.

1012021112300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1216131 (or 1216124 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 1012021112300 its reverse (32111202101), we get a palindrome (1044132314401).

The spelling of 1012021112300 in words is "one trillion, twelve billion, twenty-one million, one hundred twelve thousand, three hundred".