12214120040 has 32 divisors (see below), whose sum is σ = 27666225000. Its totient is φ = 4852856064.

The previous prime is 12214120021. The next prime is 12214120069. The reversal of 12214120040 is 4002141221.

It can be written as a sum of positive squares in 4 ways, for example, as 9181855684 + 3032264356 = 95822^2 + 55066^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1018715 + ... + 1030634.

Almost surely, 2^12214120040 is an apocalyptic number.

12214120040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12214120040 is an abundant number, since it is smaller than the sum of its proper divisors (15452104960).

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

12214120040 is a wasteful number, since it uses less digits than its factorization.

12214120040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2049509 (or 2049505 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 12214120040 its reverse (4002141221), we get a palindrome (16216261261).

The spelling of 12214120040 in words is "twelve billion, two hundred fourteen million, one hundred twenty thousand, forty".