2012400340134 has 16 divisors (see below), whose sum is σ = 4133579077488. Its totient is φ = 652670380512.

The previous prime is 2012400340121. The next prime is 2012400340147. The reversal of 2012400340134 is 4310430042102.

It is an interprime number because it is at equal distance from previous prime (2012400340121) and next prime (2012400340147).

It is a super-2 number, since 2×2012400340134² (a number of 25 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 7 ways as a sum of consecutive naturals, for example, 4532432977 + ... + 4532433420.

It is an arithmetic number, because the mean of its divisors is an integer number (258348692343).

Almost surely, 2^{2012400340134} is an apocalyptic number.

2012400340134 is an abundant number, since it is smaller than the sum of its proper divisors (2121178737354).

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

2012400340134 is a wasteful number, since it uses less digits than its factorization.

2012400340134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9064866439.

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

Adding to 2012400340134 its reverse (4310430042102), we get a palindrome (6322830382236).

The spelling of 2012400340134 in words is "two trillion, twelve billion, four hundred million, three hundred forty thousand, one hundred thirty-four".