21325422452312 has 16 divisors (see below), whose sum is σ = 43620182289000. Its totient is φ = 9693373841920.

The previous prime is 21325422452287. The next prime is 21325422452317.

21325422452312 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21325422452317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121167172937 + ... + 121167173112.

Almost surely, 2^{21325422452312} is an apocalyptic number.

21325422452312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

21325422452312 is an abundant number, since it is smaller than the sum of its proper divisors (22294759836688).

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

21325422452312 is a wasteful number, since it uses less digits than its factorization.

21325422452312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242334346066 (or 242334346062 counting only the distinct ones).

The product of its digits is 230400, while the sum is 38.

It can be divided in two parts, 2132542 and 2452312, that added together give a palindrome (4584854).

The spelling of 21325422452312 in words is "twenty-one trillion, three hundred twenty-five billion, four hundred twenty-two million, four hundred fifty-two thousand, three hundred twelve".