1213223010 has 16 divisors (see below), whose sum is σ = 2911735296. Its totient is φ = 323526128.

The previous prime is 1213222949. The next prime is 1213223029. The reversal of 1213223010 is 103223121.

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

It is a Curzon number.

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, 20220354 + ... + 20220413.

It is an arithmetic number, because the mean of its divisors is an integer number (181983456).

Almost surely, 2^1213223010 is an apocalyptic number.

1213223010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1213223010 is an abundant number, since it is smaller than the sum of its proper divisors (1698512286).

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

1213223010 is a wasteful number, since it uses less digits than its factorization.

1213223010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40440777.

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

The square root of 1213223010 is about 34831.3509643252. The cubic root of 1213223010 is about 1066.5475265153.

Adding to 1213223010 its reverse (103223121), we get a palindrome (1316446131).

The spelling of 1213223010 in words is "one billion, two hundred thirteen million, two hundred twenty-three thousand, ten".