1201230938112 has 128 divisors (see below), whose sum is σ = 3208102873920. Its totient is φ = 399801712640.

The previous prime is 1201230938081. The next prime is 1201230938129. The reversal of 1201230938112 is 2118390321021.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67132687 + ... + 67150577.

Almost surely, 2^{1201230938112} is an apocalyptic number.

1201230938112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1201230938112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1604051436960).

1201230938112 is an abundant number, since it is smaller than the sum of its proper divisors (2006871935808).

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

1201230938112 is an frugal number, since it uses more digits than its factorization.

1201230938112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18607 (or 18579 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 33.

The spelling of 1201230938112 in words is "one trillion, two hundred one billion, two hundred thirty million, nine hundred thirty-eight thousand, one hundred twelve".