12120311032304 has 40 divisors (see below), whose sum is σ = 23541141864240. Its totient is φ = 6045196147200.

The previous prime is 12120311032283. The next prime is 12120311032307. The reversal of 12120311032304 is 40323011302121.

It is a self number, because there is not a number n which added to its sum of digits gives 12120311032304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12120311032307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9920294 + ... + 11074874.

It is an arithmetic number, because the mean of its divisors is an integer number (588528546606).

Almost surely, 2^{12120311032304} is an apocalyptic number.

It is an amenable number.

12120311032304 is a deficient number, since it is larger than the sum of its proper divisors (11420830831936).

12120311032304 is a wasteful number, since it uses less digits than its factorization.

12120311032304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1156209 (or 1156203 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 12120311032304 its reverse (40323011302121), we get a palindrome (52443322334425).

The spelling of 12120311032304 in words is "twelve trillion, one hundred twenty billion, three hundred eleven million, thirty-two thousand, three hundred four".