42510111311212 has 12 divisors (see below), whose sum is σ = 74726294324416. Its totient is φ = 21159741504240.

The previous prime is 42510111311191. The next prime is 42510111311263. The reversal of 42510111311212 is 21211311101524.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23828536839 + ... + 23828538622.

Almost surely, 2^{42510111311212} is an apocalyptic number.

It is an amenable number.

42510111311212 is a deficient number, since it is larger than the sum of its proper divisors (32216183013204).

42510111311212 is a wasteful number, since it uses less digits than its factorization.

42510111311212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47657075688 (or 47657075686 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 25.

Adding to 42510111311212 its reverse (21211311101524), we get a palindrome (63721422412736).

The spelling of 42510111311212 in words is "forty-two trillion, five hundred ten billion, one hundred eleven million, three hundred eleven thousand, two hundred twelve".