12331101988 has 6 divisors (see below), whose sum is σ = 21579428486. Its totient is φ = 6165550992.

The previous prime is 12331101983. The next prime is 12331102009. The reversal of 12331101988 is 88910113321.

It can be written as a sum of positive squares in only one way, i.e., 11763137764 + 567964224 = 108458^2 + 23832^2 .

It is not an unprimeable number, because it can be changed into a prime (12331101983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1541387745 + ... + 1541387752.

Almost surely, 2^12331101988 is an apocalyptic number.

It is an amenable number.

12331101988 is a deficient number, since it is larger than the sum of its proper divisors (9248326498).

12331101988 is a wasteful number, since it uses less digits than its factorization.

12331101988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3082775501 (or 3082775499 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 37.

The spelling of 12331101988 in words is "twelve billion, three hundred thirty-one million, one hundred one thousand, nine hundred eighty-eight".