43021311302012 has 12 divisors (see below), whose sum is σ = 75287534236656. Its totient is φ = 21510587234400.

The previous prime is 43021311301999. The next prime is 43021311302023. The reversal of 43021311302012 is 21020311312034.

It is a super-2 number, since 2×43021311302012² (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 3 ways as a sum of consecutive naturals, for example, 15676073 + ... + 18214880.

It is an arithmetic number, because the mean of its divisors is an integer number (6273961186388).

Almost surely, 2^{43021311302012} is an apocalyptic number.

It is an amenable number.

43021311302012 is a deficient number, since it is larger than the sum of its proper divisors (32266222934644).

43021311302012 is a wasteful number, since it uses less digits than its factorization.

43021311302012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34208308 (or 34208306 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 43021311302012 its reverse (21020311312034), we get a palindrome (64041622614046).

The spelling of 43021311302012 in words is "forty-three trillion, twenty-one billion, three hundred eleven million, three hundred two thousand, twelve".