12013212310 has 32 divisors (see below), whose sum is σ = 23665014432. Its totient is φ = 4354471680.

The previous prime is 12013212293. The next prime is 12013212377. The reversal of 12013212310 is 1321231021.

It is a super-2 number, since 2×12013212310² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140029 + ... + 208888.

It is an arithmetic number, because the mean of its divisors is an integer number (739531701).

Almost surely, 2^12013212310 is an apocalyptic number.

12013212310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12013212310 is a deficient number, since it is larger than the sum of its proper divisors (11651802122).

12013212310 is a wasteful number, since it uses less digits than its factorization.

12013212310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349248.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 12013212310 its reverse (1321231021), we get a palindrome (13334443331).

The spelling of 12013212310 in words is "twelve billion, thirteen million, two hundred twelve thousand, three hundred ten".