12200242134 has 32 divisors (see below), whose sum is σ = 25876126080. Its totient is φ = 3821553792.

The previous prime is 12200242129. The next prime is 12200242211. The reversal of 12200242134 is 43124200221.

It is a self number, because there is not a number n which added to its sum of digits gives 12200242134.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27424 + ... + 158595.

It is an arithmetic number, because the mean of its divisors is an integer number (808628940).

Almost surely, 2^12200242134 is an apocalyptic number.

12200242134 is an abundant number, since it is smaller than the sum of its proper divisors (13675883946).

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

12200242134 is a wasteful number, since it uses less digits than its factorization.

12200242134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186684.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 12200242134 its reverse (43124200221), we get a palindrome (55324442355).

The spelling of 12200242134 in words is "twelve billion, two hundred million, two hundred forty-two thousand, one hundred thirty-four".