45402127212 has 96 divisors (see below), whose sum is σ = 115413016320. Its totient is φ = 13808044800.

The previous prime is 45402127201. The next prime is 45402127231. The reversal of 45402127212 is 21272120454.

It is a super-2 number, since 2×45402127212² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 45402127212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10759239 + ... + 10763457.

It is an arithmetic number, because the mean of its divisors is an integer number (1202218920).

Almost surely, 2^45402127212 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 45402127212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57706508160).

45402127212 is an abundant number, since it is smaller than the sum of its proper divisors (70010889108).

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

45402127212 is a wasteful number, since it uses less digits than its factorization.

45402127212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5023 (or 5021 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 30.

Adding to 45402127212 its reverse (21272120454), we get a palindrome (66674247666).

The spelling of 45402127212 in words is "forty-five billion, four hundred two million, one hundred twenty-seven thousand, two hundred twelve".