2012134551 has 16 divisors (see below), whose sum is σ = 3108113664. Its totient is φ = 1134039744.

The previous prime is 2012134543. The next prime is 2012134633. The reversal of 2012134551 is 1554312102.

It is a happy number.

It is not a de Polignac number, because 2012134551 - 2³ = 2012134543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012134051) 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, 654741 + ... + 657806.

It is an arithmetic number, because the mean of its divisors is an integer number (194257104).

Almost surely, 2^2012134551 is an apocalyptic number.

2012134551 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2012134551 is a deficient number, since it is larger than the sum of its proper divisors (1095979113).

2012134551 is a wasteful number, since it uses less digits than its factorization.

2012134551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1312630.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 2012134551 is about 44856.8227920792. The cubic root of 2012134551 is about 1262.4640099011.

Adding to 2012134551 its reverse (1554312102), we get a palindrome (3566446653).

The spelling of 2012134551 in words is "two billion, twelve million, one hundred thirty-four thousand, five hundred fifty-one".