2621012526412 has 96 divisors (see below), whose sum is σ = 5689980172800. Its totient is φ = 1030715642880.

The previous prime is 2621012526401. The next prime is 2621012526413. The reversal of 2621012526412 is 2146252101262.

It is a super-2 number, since 2×2621012526412² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (2621012526413) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10954839 + ... + 11191537.

It is an arithmetic number, because the mean of its divisors is an integer number (59270626800).

Almost surely, 2^{2621012526412} 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 2621012526412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2844990086400).

2621012526412 is an abundant number, since it is smaller than the sum of its proper divisors (3068967646388).

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

2621012526412 is a wasteful number, since it uses less digits than its factorization.

2621012526412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237311 (or 237309 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

Adding to 2621012526412 its reverse (2146252101262), we get a palindrome (4767264627674).

The spelling of 2621012526412 in words is "two trillion, six hundred twenty-one billion, twelve million, five hundred twenty-six thousand, four hundred twelve".