43121202442 has 16 divisors (see below), whose sum is σ = 66251354400. Its totient is φ = 21042676080.

The previous prime is 43121202433. The next prime is 43121202451. The reversal of 43121202442 is 24420212134.

It is an interprime number because it is at equal distance from previous prime (43121202433) and next prime (43121202451).

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, 1298109 + ... + 1330912.

It is an arithmetic number, because the mean of its divisors is an integer number (4140709650).

Almost surely, 2^43121202442 is an apocalyptic number.

43121202442 is a deficient number, since it is larger than the sum of its proper divisors (23130151958).

43121202442 is a wasteful number, since it uses less digits than its factorization.

43121202442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2629221.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 43121202442 its reverse (24420212134), we get a palindrome (67541414576).

The spelling of 43121202442 in words is "forty-three billion, one hundred twenty-one million, two hundred two thousand, four hundred forty-two".