1225133165672 has 32 divisors (see below), whose sum is σ = 2474142058080. Its totient is φ = 565373968320.

The previous prime is 1225133165657. The next prime is 1225133165681. The reversal of 1225133165672 is 2765613315221.

It is a super-3 number, since 3×1225133165672³ (a number of 37 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72647 + ... + 1567017.

It is an arithmetic number, because the mean of its divisors is an integer number (77316939315).

Almost surely, 2^{1225133165672} is an apocalyptic number.

It is an amenable number.

1225133165672 is an abundant number, since it is smaller than the sum of its proper divisors (1249008892408).

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

1225133165672 is a wasteful number, since it uses less digits than its factorization.

1225133165672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1502273 (or 1502269 counting only the distinct ones).

The product of its digits is 453600, while the sum is 44.

The spelling of 1225133165672 in words is "one trillion, two hundred twenty-five billion, one hundred thirty-three million, one hundred sixty-five thousand, six hundred seventy-two".