12110051620 has 24 divisors (see below), whose sum is σ = 25910942904. Its totient is φ = 4752623616.

The previous prime is 12110051587. The next prime is 12110051627. The reversal of 12110051620 is 2615001121.

It can be written as a sum of positive squares in 4 ways, for example, as 1849172004 + 10260879616 = 43002^2 + 101296^2 .

It is not an unprimeable number, because it can be changed into a prime (12110051627) 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, 5711229 + ... + 5713348.

It is an arithmetic number, because the mean of its divisors is an integer number (1079622621).

Almost surely, 2^12110051620 is an apocalyptic number.

12110051620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12110051620 is an abundant number, since it is smaller than the sum of its proper divisors (13800891284).

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

12110051620 is a wasteful number, since it uses less digits than its factorization.

12110051620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11424639 (or 11424637 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 19.

Adding to 12110051620 its reverse (2615001121), we get a palindrome (14725052741).

The spelling of 12110051620 in words is "twelve billion, one hundred ten million, fifty-one thousand, six hundred twenty".