101212101200 has 60 divisors (see below), whose sum is σ = 277899519840. Its totient is φ = 34701290880.

The previous prime is 101212101173. The next prime is 101212101227. The reversal of 101212101200 is 2101212101.

It is an interprime number because it is at equal distance from previous prime (101212101173) and next prime (101212101227).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18070790 + ... + 18076389.

It is an arithmetic number, because the mean of its divisors is an integer number (4631658664).

Almost surely, 2^101212101200 is an apocalyptic number.

101212101200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101212101200 is an abundant number, since it is smaller than the sum of its proper divisors (176687418640).

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

101212101200 is a wasteful number, since it uses less digits than its factorization.

101212101200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36147204 (or 36147193 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 101212101200 its reverse (2101212101), we get a palindrome (103313313301).

The spelling of 101212101200 in words is "one hundred one billion, two hundred twelve million, one hundred one thousand, two hundred".