1210213099 has 8 divisors (see below), whose sum is σ = 1239746048. Its totient is φ = 1180992960.

The previous prime is 1210213073. The next prime is 1210213117. The reversal of 1210213099 is 9903120121.

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

It is a cyclic number.

It is not a de Polignac number, because 1210213099 - 2²⁵ = 1176658667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1210213009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70362 + ... + 85855.

It is an arithmetic number, because the mean of its divisors is an integer number (154968256).

Almost surely, 2^1210213099 is an apocalyptic number.

1210213099 is a deficient number, since it is larger than the sum of its proper divisors (29532949).

1210213099 is a wasteful number, since it uses less digits than its factorization.

1210213099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156405.

The product of its (nonzero) digits is 972, while the sum is 28.

The square root of 1210213099 is about 34788.1172097600. The cubic root of 1210213099 is about 1065.6647892299.

The spelling of 1210213099 in words is "one billion, two hundred ten million, two hundred thirteen thousand, ninety-nine".