1200112121202 has 48 divisors (see below), whose sum is σ = 2459034440928. Its totient is φ = 390465001920.

The previous prime is 1200112121123. The next prime is 1200112121213. The reversal of 1200112121202 is 2021212110021.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16393693 + ... + 16466735.

It is an arithmetic number, because the mean of its divisors is an integer number (51229884186).

Almost surely, 2^{1200112121202} is an apocalyptic number.

1200112121202 is an abundant number, since it is smaller than the sum of its proper divisors (1258922319726).

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

1200112121202 is a wasteful number, since it uses less digits than its factorization.

1200112121202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74615 (or 74572 counting only the distinct ones).

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

Adding to 1200112121202 its reverse (2021212110021), we get a palindrome (3221324231223).

The spelling of 1200112121202 in words is "one trillion, two hundred billion, one hundred twelve million, one hundred twenty-one thousand, two hundred two".