1230200655957 has 24 divisors (see below), whose sum is σ = 2187023389824. Its totient is φ = 648897048864.

The previous prime is 1230200655941. The next prime is 1230200655979. The reversal of 1230200655957 is 7595560020321.

1230200655957 is a `hidden beast` number, since 1 + 2 + 30 + 20 + 0 + 6 + 5 + 595 + 7 = 666.

It is not a de Polignac number, because 1230200655957 - 2⁴ = 1230200655941 is a prime.

It is a super-3 number, since 3×1230200655957³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230200655557) 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, 751037433 + ... + 751039070.

It is an arithmetic number, because the mean of its divisors is an integer number (91125974576).

Almost surely, 2^{1230200655957} is an apocalyptic number.

It is an amenable number.

1230200655957 is a deficient number, since it is larger than the sum of its proper divisors (956822733867).

1230200655957 is a wasteful number, since it uses less digits than its factorization.

1230200655957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1502076529 (or 1502076526 counting only the distinct ones).

The product of its (nonzero) digits is 567000, while the sum is 45.

The spelling of 1230200655957 in words is "one trillion, two hundred thirty billion, two hundred million, six hundred fifty-five thousand, nine hundred fifty-seven".