42001211211312 has 80 divisors (see below), whose sum is σ = 111520009227872. Its totient is φ = 13611701790720.

The previous prime is 42001211211277. The next prime is 42001211211331. The reversal of 42001211211312 is 21311211210024.

It is a super-3 number, since 3×42001211211312³ (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 6605203 + ... + 11297394.

Almost surely, 2^{42001211211312} is an apocalyptic number.

It is an amenable number.

42001211211312 is an abundant number, since it is smaller than the sum of its proper divisors (69518798016560).

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

42001211211312 is a wasteful number, since it uses less digits than its factorization.

42001211211312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17903966 (or 17903960 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 42001211211312 its reverse (21311211210024), we get a palindrome (63312422421336).

The spelling of 42001211211312 in words is "forty-two trillion, one billion, two hundred eleven million, two hundred eleven thousand, three hundred twelve".