1202120199 has 24 divisors (see below), whose sum is σ = 1985603360. Its totient is φ = 686527488.

The previous prime is 1202120197. The next prime is 1202120239. The reversal of 1202120199 is 9910212021.

It is not a de Polignac number, because 1202120199 - 2¹ = 1202120197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202120197) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 130167 + ... + 139095.

Almost surely, 2^1202120199 is an apocalyptic number.

1202120199 is a deficient number, since it is larger than the sum of its proper divisors (783483161).

1202120199 is a wasteful number, since it uses less digits than its factorization.

1202120199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11079 (or 11076 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

The square root of 1202120199 is about 34671.6050825456. The cubic root of 1202120199 is about 1063.2840475208.

The spelling of 1202120199 in words is "one billion, two hundred two million, one hundred twenty thousand, one hundred ninety-nine".