2012400342231 has 8 divisors (see below), whose sum is σ = 2683707028464. Its totient is φ = 1341346942080.

The previous prime is 2012400342209. The next prime is 2012400342247. The reversal of 2012400342231 is 1322430042102.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2012400342231 - 2¹³ = 2012400334039 is a prime.

It is a super-2 number, since 2×2012400342231² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012400332231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63302980 + ... + 63334761.

It is an arithmetic number, because the mean of its divisors is an integer number (335463378558).

Almost surely, 2^{2012400342231} is an apocalyptic number.

2012400342231 is a deficient number, since it is larger than the sum of its proper divisors (671306686233).

2012400342231 is a wasteful number, since it uses less digits than its factorization.

2012400342231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126643041.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 2012400342231 its reverse (1322430042102), we get a palindrome (3334830384333).

The spelling of 2012400342231 in words is "two trillion, twelve billion, four hundred million, three hundred forty-two thousand, two hundred thirty-one".