1213230210 has 16 divisors (see below), whose sum is σ = 2911752576. Its totient is φ = 323528048.

The previous prime is 1213230209. The next prime is 1213230241. The reversal of 1213230210 is 120323121.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1213230210.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20220474 + ... + 20220533.

It is an arithmetic number, because the mean of its divisors is an integer number (181984536).

Almost surely, 2^1213230210 is an apocalyptic number.

1213230210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1213230210 is an abundant number, since it is smaller than the sum of its proper divisors (1698522366).

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

1213230210 is a wasteful number, since it uses less digits than its factorization.

1213230210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40441017.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1213230210 is about 34831.4543193361. The cubic root of 1213230210 is about 1066.5496363574.

Adding to 1213230210 its reverse (120323121), we get a palindrome (1333553331).

The spelling of 1213230210 in words is "one billion, two hundred thirteen million, two hundred thirty thousand, two hundred ten".