4135531031212 has 24 divisors (see below), whose sum is σ = 8276809927680. Its totient is φ = 1771138756560.

The previous prime is 4135531031209. The next prime is 4135531031249. The reversal of 4135531031212 is 2121301355314.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51279214 + ... + 51359797.

It is an arithmetic number, because the mean of its divisors is an integer number (344867080320).

Almost surely, 2^{4135531031212} is an apocalyptic number.

It is an amenable number.

4135531031212 is an abundant number, since it is smaller than the sum of its proper divisors (4141278896468).

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

4135531031212 is a wasteful number, since it uses less digits than its factorization.

4135531031212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102640461 (or 102640459 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

Adding to 4135531031212 its reverse (2121301355314), we get a palindrome (6256832386526).

The spelling of 4135531031212 in words is "four trillion, one hundred thirty-five billion, five hundred thirty-one million, thirty-one thousand, two hundred twelve".