1232081778650 has 48 divisors (see below), whose sum is σ = 2310979900320. Its totient is φ = 488696212800.

The previous prime is 1232081778541. The next prime is 1232081778671. The reversal of 1232081778650 is 568771802321.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2944181 + ... + 3336519.

It is an arithmetic number, because the mean of its divisors is an integer number (48145414590).

Almost surely, 2^{1232081778650} is an apocalyptic number.

1232081778650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1232081778650 is a deficient number, since it is larger than the sum of its proper divisors (1078898121670).

1232081778650 is a wasteful number, since it uses less digits than its factorization.

1232081778650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392879 (or 392874 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 50.

The spelling of 1232081778650 in words is "one trillion, two hundred thirty-two billion, eighty-one million, seven hundred seventy-eight thousand, six hundred fifty".