42003136331212 has 24 divisors (see below), whose sum is σ = 86716152427520. Its totient is φ = 17420655620880.

The previous prime is 42003136331173. The next prime is 42003136331311. The reversal of 42003136331212 is 21213363130024.

It is a happy number.

42003136331212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×42003136331212³ (a number of 42 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24195354162 + ... + 24195355897.

Almost surely, 2^{42003136331212} is an apocalyptic number.

It is an amenable number.

42003136331212 is an abundant number, since it is smaller than the sum of its proper divisors (44713016096308).

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

42003136331212 is a wasteful number, since it uses less digits than its factorization.

42003136331212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48390710101 (or 48390710099 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 31.

Adding to 42003136331212 its reverse (21213363130024), we get a palindrome (63216499461236).

The spelling of 42003136331212 in words is "forty-two trillion, three billion, one hundred thirty-six million, three hundred thirty-one thousand, two hundred twelve".