1210130312100 has 36 divisors (see below), whose sum is σ = 3501310370544. Its totient is φ = 322701416480.

The previous prime is 1210130312089. The next prime is 1210130312101. The reversal of 1210130312100 is 12130310121.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1210130312100.

It is not an unprimeable number, because it can be changed into a prime (1210130312101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2016883554 + ... + 2016884153.

It is an arithmetic number, because the mean of its divisors is an integer number (97258621404).

Almost surely, 2^{1210130312100} is an apocalyptic number.

1210130312100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1210130312100 is an abundant number, since it is smaller than the sum of its proper divisors (2291180058444).

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

1210130312100 is a wasteful number, since it uses less digits than its factorization.

1210130312100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4033767724 (or 4033767717 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 1210130312100 its reverse (12130310121), we get a palindrome (1222260622221).

The spelling of 1210130312100 in words is "one trillion, two hundred ten billion, one hundred thirty million, three hundred twelve thousand, one hundred".