1001210312100 has 72 divisors (see below), whose sum is σ = 2898466895968. Its totient is φ = 266839027200.

The previous prime is 1001210312093. The next prime is 1001210312111. The reversal of 1001210312100 is 12130121001.

1001210312100 is digitally balanced in base 2 and base 4, because in such bases 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 (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, 405946 + ... + 1472145.

Almost surely, 2^{1001210312100} is an apocalyptic number.

1001210312100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1001210312100 is an abundant number, since it is smaller than the sum of its proper divisors (1897256583868).

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

1001210312100 is a wasteful number, since it uses less digits than its factorization.

1001210312100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1879885 (or 1879878 counting only the distinct ones).

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

Adding to 1001210312100 its reverse (12130121001), we get a palindrome (1013340433101).

The spelling of 1001210312100 in words is "one trillion, one billion, two hundred ten million, three hundred twelve thousand, one hundred".