1202102012112 has 40 divisors (see below), whose sum is σ = 3123380683104. Its totient is φ = 398384479104.

The previous prime is 1202102012087. The next prime is 1202102012117. The reversal of 1202102012112 is 2112102012021.

It is a junction number, because it is equal to n+sod(n) for n = 1202102012091 and 1202102012100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202102012117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72372598 + ... + 72389205.

Almost surely, 2^{1202102012112} is an apocalyptic number.

1202102012112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1202102012112 is an abundant number, since it is smaller than the sum of its proper divisors (1921278670992).

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

1202102012112 is a wasteful number, since it uses less digits than its factorization.

1202102012112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144761987 (or 144761981 counting only the distinct ones).

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

Adding to 1202102012112 its reverse (2112102012021), we get a palindrome (3314204024133).

Subtracting 1202102012112 from its reverse (2112102012021), we obtain a palindrome (909999999909).

The spelling of 1202102012112 in words is "one trillion, two hundred two billion, one hundred two million, twelve thousand, one hundred twelve".