40144134312212 has 36 divisors (see below), whose sum is σ = 81735460045344. Its totient is φ = 17201792709360.

The previous prime is 40144134312209. The next prime is 40144134312239. The reversal of 40144134312212 is 21221343144104.

It is a super-2 number, since 2×40144134312212² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15690464 + ... + 18068727.

It is an arithmetic number, because the mean of its divisors is an integer number (2270429445704).

Almost surely, 2^{40144134312212} is an apocalyptic number.

It is an amenable number.

40144134312212 is an abundant number, since it is smaller than the sum of its proper divisors (41591325733132).

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

40144134312212 is a wasteful number, since it uses less digits than its factorization.

40144134312212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33765276 (or 33765267 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

Adding to 40144134312212 its reverse (21221343144104), we get a palindrome (61365477456316).

The spelling of 40144134312212 in words is "forty trillion, one hundred forty-four billion, one hundred thirty-four million, three hundred twelve thousand, two hundred twelve".