40531152251212 has 48 divisors (see below), whose sum is σ = 81462914364160. Its totient is φ = 17284735737792.

The previous prime is 40531152251201. The next prime is 40531152251267. The reversal of 40531152251212 is 21215225113504.

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, 9392623 + ... + 13010905.

Almost surely, 2^{40531152251212} is an apocalyptic number.

It is an amenable number.

40531152251212 is an abundant number, since it is smaller than the sum of its proper divisors (40931762112948).

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

40531152251212 is a wasteful number, since it uses less digits than its factorization.

40531152251212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3620270 (or 3620268 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 34.

Adding to 40531152251212 its reverse (21215225113504), we get a palindrome (61746377364716).

The spelling of 40531152251212 in words is "forty trillion, five hundred thirty-one billion, one hundred fifty-two million, two hundred fifty-one thousand, two hundred twelve".