2012711134278 has 32 divisors (see below), whose sum is σ = 4563231724800. Its totient is φ = 586701220896.

The previous prime is 2012711134271. The next prime is 2012711134289. The reversal of 2012711134278 is 8724311172102.

It is a happy number.

It is a super-2 number, since 2×2012711134278² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012711134271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 679050858 + ... + 679053821.

It is an arithmetic number, because the mean of its divisors is an integer number (142600991400).

Almost surely, 2^{2012711134278} is an apocalyptic number.

2012711134278 is an abundant number, since it is smaller than the sum of its proper divisors (2550520590522).

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

2012711134278 is a wasteful number, since it uses less digits than its factorization.

2012711134278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1358104716.

The product of its (nonzero) digits is 37632, while the sum is 39.

The spelling of 2012711134278 in words is "two trillion, twelve billion, seven hundred eleven million, one hundred thirty-four thousand, two hundred seventy-eight".