45212013200 has 30 divisors (see below), whose sum is σ = 108621862674. Its totient is φ = 18084805120.

The previous prime is 45212013167. The next prime is 45212013227. The reversal of 45212013200 is 231021254.

It can be written as a sum of positive squares in 3 ways, for example, as 574465024 + 44637548176 = 23968^2 + 211276^2 .

It is a super-2 number, since 2×45212013200² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 56514617 + ... + 56515416.

Almost surely, 2^45212013200 is an apocalyptic number.

45212013200 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45212013200 is an abundant number, since it is smaller than the sum of its proper divisors (63409849474).

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

45212013200 is a wasteful number, since it uses less digits than its factorization.

45212013200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113030051 (or 113030040 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 45212013200 its reverse (231021254), we get a palindrome (45443034454).

The spelling of 45212013200 in words is "forty-five billion, two hundred twelve million, thirteen thousand, two hundred".