1210801960188 has 72 divisors (see below), whose sum is σ = 3276382287360. Its totient is φ = 390581267760.

The previous prime is 1210801960171. The next prime is 1210801960309. The reversal of 1210801960188 is 8810691080121.

1210801960188 is a `hidden beast` number, since 1 + 21 + 0 + 8 + 0 + 19 + 601 + 8 + 8 = 666.

It is a congruent number.

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, 20061498 + ... + 20121761.

Almost surely, 2^{1210801960188} is an apocalyptic number.

1210801960188 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1210801960188 is an abundant number, since it is smaller than the sum of its proper divisors (2065580327172).

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

1210801960188 is a wasteful number, since it uses less digits than its factorization.

1210801960188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40183309 (or 40183295 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 45.

The spelling of 1210801960188 in words is "one trillion, two hundred ten billion, eight hundred one million, nine hundred sixty thousand, one hundred eighty-eight".