1201202122112 has 32 divisors (see below), whose sum is σ = 2470214049600. Its totient is φ = 581226831360.

The previous prime is 1201202122111. The next prime is 1201202122117. The reversal of 1201202122112 is 2112212021021.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201202122111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151357187 + ... + 151365122.

It is an arithmetic number, because the mean of its divisors is an integer number (77194189050).

Almost surely, 2^{1201202122112} is an apocalyptic number.

It is an amenable number.

1201202122112 is an abundant number, since it is smaller than the sum of its proper divisors (1269011927488).

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

1201202122112 is an equidigital number, since it uses as much as digits as its factorization.

1201202122112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302722354 (or 302722342 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1201202122112 its reverse (2112212021021), we get a palindrome (3313414143133).

The spelling of 1201202122112 in words is "one trillion, two hundred one billion, two hundred two million, one hundred twenty-two thousand, one hundred twelve".