12240553242 has 16 divisors (see below), whose sum is σ = 24627701952. Its totient is φ = 4055751840.

The previous prime is 12240553207. The next prime is 12240553249. The reversal of 12240553242 is 24235504221.

It is a super-2 number, since 2×12240553242² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12240553249) 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, 6107059 + ... + 6109062.

It is an arithmetic number, because the mean of its divisors is an integer number (1539231372).

Almost surely, 2^12240553242 is an apocalyptic number.

12240553242 is an abundant number, since it is smaller than the sum of its proper divisors (12387148710).

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

12240553242 is a wasteful number, since it uses less digits than its factorization.

12240553242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12216293.

The product of its (nonzero) digits is 19200, while the sum is 30.

The spelling of 12240553242 in words is "twelve billion, two hundred forty million, five hundred fifty-three thousand, two hundred forty-two".