12120017364 has 120 divisors (see below), whose sum is σ = 38995934208. Its totient is φ = 3196480320.

The previous prime is 12120017363. The next prime is 12120017423. The reversal of 12120017364 is 46371002121.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12120017363) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 176052 + ... + 235019.

Almost surely, 2^12120017364 is an apocalyptic number.

12120017364 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12120017364 is an abundant number, since it is smaller than the sum of its proper divisors (26875916844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12120017364 is a wasteful number, since it uses less digits than its factorization.

12120017364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411107 (or 411096 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

Adding to 12120017364 its reverse (46371002121), we get a palindrome (58491019485).

The spelling of 12120017364 in words is "twelve billion, one hundred twenty million, seventeen thousand, three hundred sixty-four".