1202120202112 has 64 divisors (see below), whose sum is σ = 2499489200160. Its totient is φ = 574808227840.

The previous prime is 1202120202077. The next prime is 1202120202131. The reversal of 1202120202112 is 2112020212021.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (16).

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, 15130812 + ... + 15210052.

Almost surely, 2^{1202120202112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1202120202112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1249744600080).

1202120202112 is an abundant number, since it is smaller than the sum of its proper divisors (1297368998048).

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

1202120202112 is an equidigital number, since it uses as much as digits as its factorization.

1202120202112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84431 (or 84419 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1202120202112 its reverse (2112020212021), we get a palindrome (3314140414133).

Subtracting 1202120202112 from its reverse (2112020212021), we obtain a palindrome (909900009909).

The spelling of 1202120202112 in words is "one trillion, two hundred two billion, one hundred twenty million, two hundred two thousand, one hundred twelve".