1201021202112 has 112 divisors (see below), whose sum is σ = 3208240431360. Its totient is φ = 396495004672.

The previous prime is 1201021202089. The next prime is 1201021202137. The reversal of 1201021202112 is 2112021201021.

It is a junction number, because it is equal to n+sod(n) for n = 1201021202091 and 1201021202100.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148508533 + ... + 148516619.

Almost surely, 2^{1201021202112} is an apocalyptic number.

1201021202112 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 1201021202112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1604120215680).

1201021202112 is an abundant number, since it is smaller than the sum of its proper divisors (2007219229248).

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

1201021202112 is a wasteful number, since it uses less digits than its factorization.

1201021202112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15438 (or 15428 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1201021202112 its reverse (2112021201021), we get a palindrome (3313042403133).

The spelling of 1201021202112 in words is "one trillion, two hundred one billion, twenty-one million, two hundred two thousand, one hundred twelve".