1220020001199 has 24 divisors (see below), whose sum is σ = 1767411565920. Its totient is φ = 810967329792.

The previous prime is 1220020001173. The next prime is 1220020001203. The reversal of 1220020001199 is 9911000200221.

It is not a de Polignac number, because 1220020001199 - 2²⁰ = 1220018952623 is a prime.

It is a super-2 number, since 2×1220020001199² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220020001149) 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, 6036487 + ... + 6235319.

It is an arithmetic number, because the mean of its divisors is an integer number (73642148580).

Almost surely, 2^{1220020001199} is an apocalyptic number.

1220020001199 is a deficient number, since it is larger than the sum of its proper divisors (547391564721).

1220020001199 is a wasteful number, since it uses less digits than its factorization.

1220020001199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200831 (or 200828 counting only the distinct ones).

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

The spelling of 1220020001199 in words is "one trillion, two hundred twenty billion, twenty million, one thousand, one hundred ninety-nine".