1210021210199 has 8 divisors (see below), whose sum is σ = 1283359476960. Its totient is φ = 1136923004416.

The previous prime is 1210021210133. The next prime is 1210021210219. The reversal of 1210021210199 is 9910121200121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1210021210199 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 (1210021210109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60004859 + ... + 60025020.

It is an arithmetic number, because the mean of its divisors is an integer number (160419934620).

Almost surely, 2^{1210021210199} is an apocalyptic number.

1210021210199 is a deficient number, since it is larger than the sum of its proper divisors (73338266761).

1210021210199 is a wasteful number, since it uses less digits than its factorization.

1210021210199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120030489.

The product of its (nonzero) digits is 648, while the sum is 29.

The spelling of 1210021210199 in words is "one trillion, two hundred ten billion, twenty-one million, two hundred ten thousand, one hundred ninety-nine".