2012142356 has 24 divisors (see below), whose sum is σ = 4025474880. Its totient is φ = 862091712.

The previous prime is 2012142329. The next prime is 2012142359. The reversal of 2012142356 is 6532412102.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012142359) 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, 109616 + ... + 126648.

It is an arithmetic number, because the mean of its divisors is an integer number (167728120).

Almost surely, 2^2012142356 is an apocalyptic number.

It is an amenable number.

2012142356 is an abundant number, since it is smaller than the sum of its proper divisors (2013332524).

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

2012142356 is a wasteful number, since it uses less digits than its factorization.

2012142356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21263 (or 21261 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 2012142356 is about 44856.9097910233. The cubic root of 2012142356 is about 1262.4656422503.

Adding to 2012142356 its reverse (6532412102), we get a palindrome (8544554458).

The spelling of 2012142356 in words is "two billion, twelve million, one hundred forty-two thousand, three hundred fifty-six".