231212124311332 has 6 divisors (see below), whose sum is σ = 404621217544838. Its totient is φ = 115606062155664.

The previous prime is 231212124311323. The next prime is 231212124311353. The reversal of 231212124311332 is 233113421212132.

It can be written as a sum of positive squares in only one way, i.e., 177153544489216 + 54058579822116 = 13309904^2 + 7352454^2 .

It is a super-2 number, since 2×231212124311332² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 231212124311294 and 231212124311303.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28901515538913 + ... + 28901515538920.

Almost surely, 2^{231212124311332} is an apocalyptic number.

It is an amenable number.

231212124311332 is a deficient number, since it is larger than the sum of its proper divisors (173409093233506).

231212124311332 is a wasteful number, since it uses less digits than its factorization.

231212124311332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57803031077837 (or 57803031077835 counting only the distinct ones).

The product of its digits is 10368, while the sum is 31.

Adding to 231212124311332 its reverse (233113421212132), we get a palindrome (464325545523464).

The spelling of 231212124311332 in words is "two hundred thirty-one trillion, two hundred twelve billion, one hundred twenty-four million, three hundred eleven thousand, three hundred thirty-two".