12131012354 has 16 divisors (see below), whose sum is σ = 19305540000. Its totient is φ = 5697263424.

The previous prime is 12131012281. The next prime is 12131012447. The reversal of 12131012354 is 45321013121.

It is a super-2 number, since 2×12131012354² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 340544 + ... + 374475.

It is an arithmetic number, because the mean of its divisors is an integer number (1206596250).

Almost surely, 2^12131012354 is an apocalyptic number.

12131012354 is a deficient number, since it is larger than the sum of its proper divisors (7174527646).

12131012354 is a wasteful number, since it uses less digits than its factorization.

12131012354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715537.

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 12131012354 its reverse (45321013121), we get a palindrome (57452025475).

The spelling of 12131012354 in words is "twelve billion, one hundred thirty-one million, twelve thousand, three hundred fifty-four".