1201312230000 has 100 divisors (see below), whose sum is σ = 3877996150248. Its totient is φ = 320349920000.

The previous prime is 1201312229977. The next prime is 1201312230037. The reversal of 1201312230000 is 322131021.

It is a tau number, because it is divible by the number of its divisors (100).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 19991871 + ... + 20051870.

Almost surely, 2^{1201312230000} is an apocalyptic number.

1201312230000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1201312230000 is an abundant number, since it is smaller than the sum of its proper divisors (2676683920248).

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

1201312230000 is an equidigital number, since it uses as much as digits as its factorization.

1201312230000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40043772 (or 40043751 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 1201312230000 its reverse (322131021), we get a palindrome (1201634361021).

The spelling of 1201312230000 in words is "one trillion, two hundred one billion, three hundred twelve million, two hundred thirty thousand".