1213013223210 has 32 divisors (see below), whose sum is σ = 2911633972992. Its totient is φ = 323425499840.

The previous prime is 1213013223173. The next prime is 1213013223223. The reversal of 1213013223210 is 123223103121.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2572281 + ... + 3007100.

It is an arithmetic number, because the mean of its divisors is an integer number (90988561656).

Almost surely, 2^{1213013223210} is an apocalyptic number.

1213013223210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1213013223210 is an abundant number, since it is smaller than the sum of its proper divisors (1698620749782).

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

1213013223210 is a wasteful number, since it uses less digits than its factorization.

1213013223210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5586638.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1213013223210 its reverse (123223103121), we get a palindrome (1336236326331).

The spelling of 1213013223210 in words is "one trillion, two hundred thirteen billion, thirteen million, two hundred twenty-three thousand, two hundred ten".