231002101212 has 24 divisors (see below), whose sum is σ = 547841050512. Its totient is φ = 75738393600.

The previous prime is 231002101207. The next prime is 231002101219. The reversal of 231002101212 is 212101200132.

It is a junction number, because it is equal to n+sod(n) for n = 231002101191 and 231002101200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231002101219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157787589 + ... + 157789052.

It is an arithmetic number, because the mean of its divisors is an integer number (22826710438).

Almost surely, 2^231002101212 is an apocalyptic number.

It is an amenable number.

231002101212 is an abundant number, since it is smaller than the sum of its proper divisors (316838949300).

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

231002101212 is a wasteful number, since it uses less digits than its factorization.

231002101212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315576709 (or 315576707 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 231002101212 its reverse (212101200132), we get a palindrome (443103301344).

The spelling of 231002101212 in words is "two hundred thirty-one billion, two million, one hundred one thousand, two hundred twelve".