1231300101212 has 12 divisors (see below), whose sum is σ = 2157976928016. Its totient is φ = 614735264640.

The previous prime is 1231300101203. The next prime is 1231300101233. The reversal of 1231300101212 is 2121010031321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 228693464 + ... + 228698847.

It is an arithmetic number, because the mean of its divisors is an integer number (179831410668).

Almost surely, 2^{1231300101212} is an apocalyptic number.

It is an amenable number.

1231300101212 is a deficient number, since it is larger than the sum of its proper divisors (926676826804).

1231300101212 is a wasteful number, since it uses less digits than its factorization.

1231300101212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457392988 (or 457392986 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1231300101212 its reverse (2121010031321), we get a palindrome (3352310132533).

The spelling of 1231300101212 in words is "one trillion, two hundred thirty-one billion, three hundred million, one hundred one thousand, two hundred twelve".