42012113044402 has 4 divisors (see below), whose sum is σ = 63018169566606. Its totient is φ = 21006056522200.

The previous prime is 42012113044373. The next prime is 42012113044459. The reversal of 42012113044402 is 20444031121024.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 39956671834641 + 2055441209761 = 6321129^2 + 1433681^2 .

It is a super-2 number, since 2×42012113044402² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10503028261099 + ... + 10503028261102.

Almost surely, 2^{42012113044402} is an apocalyptic number.

42012113044402 is a deficient number, since it is larger than the sum of its proper divisors (21006056522204).

42012113044402 is a wasteful number, since it uses less digits than its factorization.

42012113044402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21006056522203.

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 42012113044402 its reverse (20444031121024), we get a palindrome (62456144165426).

The spelling of 42012113044402 in words is "forty-two trillion, twelve billion, one hundred thirteen million, forty-four thousand, four hundred two".