2012622516 has 72 divisors (see below), whose sum is σ = 5173406784. Its totient is φ = 659594880.

The previous prime is 2012622509. The next prime is 2012622523. The reversal of 2012622516 is 6152262102.

2012622516 is a `hidden beast` number, since 2 + 0 + 126 + 22 + 516 = 666.

It is an interprime number because it is at equal distance from previous prime (2012622509) and next prime (2012622523).

It is a self number, because there is not a number n which added to its sum of digits gives 2012622516.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1167231 + ... + 1168953.

It is an arithmetic number, because the mean of its divisors is an integer number (71852872).

Almost surely, 2^2012622516 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2012622516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2586703392).

2012622516 is an abundant number, since it is smaller than the sum of its proper divisors (3160784268).

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

2012622516 is a wasteful number, since it uses less digits than its factorization.

2012622516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2261 (or 2256 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 2012622516 is about 44862.2616014842. The cubic root of 2012622516 is about 1262.5660555054.

Adding to 2012622516 its reverse (6152262102), we get a palindrome (8164884618).

The spelling of 2012622516 in words is "two billion, twelve million, six hundred twenty-two thousand, five hundred sixteen".