45211412612 has 24 divisors (see below), whose sum is σ = 81954293400. Its totient is φ = 21797920256.

The previous prime is 45211412497. The next prime is 45211412629. The reversal of 45211412612 is 21621411254.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6570075136 + 38641337476 = 81056^2 + 196574^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162437 + ... + 341772.

It is an arithmetic number, because the mean of its divisors is an integer number (3414762225).

Almost surely, 2^45211412612 is an apocalyptic number.

It is an amenable number.

45211412612 is a deficient number, since it is larger than the sum of its proper divisors (36742880788).

45211412612 is a wasteful number, since it uses less digits than its factorization.

45211412612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505015 (or 505013 counting only the distinct ones).

The product of its digits is 3840, while the sum is 29.

Adding to 45211412612 its reverse (21621411254), we get a palindrome (66832823866).

The spelling of 45211412612 in words is "forty-five billion, two hundred eleven million, four hundred twelve thousand, six hundred twelve".