1227925189492 has 24 divisors (see below), whose sum is σ = 2156771175552. Its totient is φ = 611705371200.

The previous prime is 1227925189457. The next prime is 1227925189523. The reversal of 1227925189492 is 2949815297221.

It is a self number, because there is not a number n which added to its sum of digits gives 1227925189492.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10171767 + ... + 10291777.

It is an arithmetic number, because the mean of its divisors is an integer number (89865465648).

Almost surely, 2^{1227925189492} is an apocalyptic number.

It is an amenable number.

1227925189492 is a deficient number, since it is larger than the sum of its proper divisors (928845986060).

1227925189492 is a wasteful number, since it uses less digits than its factorization.

1227925189492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129399 (or 129397 counting only the distinct ones).

The product of its digits is 13063680, while the sum is 61.

The spelling of 1227925189492 in words is "one trillion, two hundred twenty-seven billion, nine hundred twenty-five million, one hundred eighty-nine thousand, four hundred ninety-two".