1230724272690 has 128 divisors (see below), whose sum is σ = 3695782256640. Its totient is φ = 288732945600.

The previous prime is 1230724272671. The next prime is 1230724272703. The reversal of 1230724272690 is 962724270321.

1230724272690 is a `hidden beast` number, since 12 + 307 + 2 + 4 + 272 + 69 + 0 = 666.

It is a super-2 number, since 2×1230724272690² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6591564 + ... + 6775703.

It is an arithmetic number, because the mean of its divisors is an integer number (28873298880).

Almost surely, 2^{1230724272690} is an apocalyptic number.

1230724272690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1230724272690 is an abundant number, since it is smaller than the sum of its proper divisors (2465057983950).

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

1230724272690 is a wasteful number, since it uses less digits than its factorization.

1230724272690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13367325 (or 13367319 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 45.

The spelling of 1230724272690 in words is "one trillion, two hundred thirty billion, seven hundred twenty-four million, two hundred seventy-two thousand, six hundred ninety".