1201013231130 has 48 divisors (see below), whose sum is σ = 3125400506280. Its totient is φ = 319986491904.

The previous prime is 1201013231113. The next prime is 1201013231149. The reversal of 1201013231130 is 311323101021.

It can be written as a sum of positive squares in 4 ways, for example, as 1039990000401 + 161023230729 = 1019799^2 + 401277^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon 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, 5808307 + ... + 6011526.

Almost surely, 2^{1201013231130} is an apocalyptic number.

1201013231130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1201013231130 is an abundant number, since it is smaller than the sum of its proper divisors (1924387275150).

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

1201013231130 is a wasteful number, since it uses less digits than its factorization.

1201013231130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11820975 (or 11820972 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 1201013231130 its reverse (311323101021), we get a palindrome (1512336332151).

The spelling of 1201013231130 in words is "one trillion, two hundred one billion, thirteen million, two hundred thirty-one thousand, one hundred thirty".