45012274812 has 72 divisors (see below), whose sum is σ = 117324973584. Its totient is φ = 14543582976.

The previous prime is 45012274763. The next prime is 45012274837. The reversal of 45012274812 is 21847221054.

45012274812 is a `hidden beast` number, since 4 + 50 + 122 + 7 + 481 + 2 = 666.

It is a super-2 number, since 2×45012274812² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 16248 + ... + 300480.

It is an arithmetic number, because the mean of its divisors is an integer number (1629513522).

Almost surely, 2^45012274812 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 45012274812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58662486792).

45012274812 is an abundant number, since it is smaller than the sum of its proper divisors (72312698772).

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

45012274812 is a wasteful number, since it uses less digits than its factorization.

45012274812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284379 (or 284374 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 36.

Adding to 45012274812 its reverse (21847221054), we get a palindrome (66859495866).

The spelling of 45012274812 in words is "forty-five billion, twelve million, two hundred seventy-four thousand, eight hundred twelve".