1213100210 has 64 divisors (see below), whose sum is σ = 2570932224. Its totient is φ = 403468800.

The previous prime is 1213100183. The next prime is 1213100233. The reversal of 1213100210 is 120013121.

It is a super-2 number, since 2×1213100210² = 2943224239004088200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1213100191 and 1213100200.

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 31 ways as a sum of consecutive naturals, for example, 547064 + ... + 549276.

It is an arithmetic number, because the mean of its divisors is an integer number (40170816).

Almost surely, 2^1213100210 is an apocalyptic number.

1213100210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1213100210 is an abundant number, since it is smaller than the sum of its proper divisors (1357832014).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1213100210 is a wasteful number, since it uses less digits than its factorization.

1213100210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2459.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 1213100210 is about 34829.5881399709. The cubic root of 1213100210 is about 1066.5115407006.

Adding to 1213100210 its reverse (120013121), we get a palindrome (1333113331).

The spelling of 1213100210 in words is "one billion, two hundred thirteen million, one hundred thousand, two hundred ten".