4225145446512 has 120 divisors (see below), whose sum is σ = 12325377708176. Its totient is φ = 1349864828928.

The previous prime is 4225145446507. The next prime is 4225145446517. The reversal of 4225145446512 is 2156445415224.

4225145446512 is a `hidden beast` number, since 4 + 2 + 2 + 51 + 4 + 544 + 6 + 51 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (4225145446507) and next prime (4225145446517).

It is a super-2 number, since 2×4225145446512² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4225145446517) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5560993 + ... + 6274944.

Almost surely, 2^{4225145446512} is an apocalyptic number.

It is an amenable number.

4225145446512 is an abundant number, since it is smaller than the sum of its proper divisors (8100232261664).

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

4225145446512 is a wasteful number, since it uses less digits than its factorization.

4225145446512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11836055 (or 11836046 counting only the distinct ones).

The product of its digits is 1536000, while the sum is 45.

The spelling of 4225145446512 in words is "four trillion, two hundred twenty-five billion, one hundred forty-five million, four hundred forty-six thousand, five hundred twelve".