1210158603900 has 162 divisors, whose sum is σ = 4003324182312. Its totient is φ = 305724196800.

The previous prime is 1210158603809. The next prime is 1210158603923. The reversal of 1210158603900 is 93068510121.

1210158603900 is a `hidden beast` number, since 1 + 210 + 1 + 58 + 6 + 0 + 390 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 1537456 + ... + 2187255.

Almost surely, 2^{1210158603900} is an apocalyptic number.

1210158603900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1210158603900 is an abundant number, since it is smaller than the sum of its proper divisors (2793165578412).

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

1210158603900 is a wasteful number, since it uses less digits than its factorization.

1210158603900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3724769 (or 3724740 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The spelling of 1210158603900 in words is "one trillion, two hundred ten billion, one hundred fifty-eight million, six hundred three thousand, nine hundred".