1210012210 has 16 divisors (see below), whose sum is σ = 2376024192. Its totient is φ = 440004400.

The previous prime is 1210012187. The next prime is 1210012229. The reversal of 1210012210 is 122100121.

It is a Harshad number since it is a multiple of its sum of digits (10).

1210012210 is a modest number, since divided by 12210 gives 1210 as remainder.

It is an unprimeable number.

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, 5499946 + ... + 5500165.

It is an arithmetic number, because the mean of its divisors is an integer number (148501512).

Almost surely, 2^1210012210 is an apocalyptic number.

1210012210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1210012210 is a deficient number, since it is larger than the sum of its proper divisors (1166011982).

1210012210 is a wasteful number, since it uses less digits than its factorization.

1210012210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11000129.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 1210012210 is about 34785.2297678196. The cubic root of 1210012210 is about 1065.6058210530.

Adding to 1210012210 its reverse (122100121), we get a palindrome (1332112331).

It can be divided in two parts, 12100 and 12210, that added together give a triangular number (24310 = T₂₂₀).

The spelling of 1210012210 in words is "one billion, two hundred ten million, twelve thousand, two hundred ten".