101212231002009 has 128 divisors (see below), whose sum is σ = 153595674150912. Its totient is φ = 58973465640960.

The previous prime is 101212231001983. The next prime is 101212231002059. The reversal of 101212231002009 is 900200132212101.

It is not a de Polignac number, because 101212231002009 - 2¹³ = 101212230993817 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 101212231002009.

It is not an unprimeable number, because it can be changed into a prime (101212231002059) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 10752383587 + ... + 10752392999.

It is an arithmetic number, because the mean of its divisors is an integer number (1199966204304).

Almost surely, 2^{101212231002009} is an apocalyptic number.

It is an amenable number.

101212231002009 is a deficient number, since it is larger than the sum of its proper divisors (52383443148903).

101212231002009 is a wasteful number, since it uses less digits than its factorization.

101212231002009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12515.

The product of its (nonzero) digits is 432, while the sum is 24.

The spelling of 101212231002009 in words is "one hundred one trillion, two hundred twelve billion, two hundred thirty-one million, two thousand, nine".