207220465512 has 80 divisors (see below), whose sum is σ = 591360388740. Its totient is φ = 67770203904.

The previous prime is 207220465481. The next prime is 207220465513. The reversal of 207220465512 is 215564022702.

It can be written as a sum of positive squares in 2 ways, for example, as 200996202276 + 6224263236 = 448326^2 + 78894^2 .

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

It is not an unprimeable number, because it can be changed into a prime (207220465513) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2982493 + ... + 3051180.

Almost surely, 2^207220465512 is an apocalyptic number.

It is an amenable number.

207220465512 is an abundant number, since it is smaller than the sum of its proper divisors (384139923228).

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

207220465512 is a wasteful number, since it uses less digits than its factorization.

207220465512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6033744 (or 6033731 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The spelling of 207220465512 in words is "two hundred seven billion, two hundred twenty million, four hundred sixty-five thousand, five hundred twelve".