1213123322010 has 64 divisors (see below), whose sum is σ = 3012168384000. Its totient is φ = 312315773952.

The previous prime is 1213123322009. The next prime is 1213123322011. The reversal of 1213123322010 is 102233213121.

It is an interprime number because it is at equal distance from previous prime (1213123322009) and next prime (1213123322011).

It is not an unprimeable number, because it can be changed into a prime (1213123322011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10424767 + ... + 10540493.

It is an arithmetic number, because the mean of its divisors is an integer number (47065131000).

Almost surely, 2^{1213123322010} is an apocalyptic number.

1213123322010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1213123322010 is an abundant number, since it is smaller than the sum of its proper divisors (1799045061990).

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

1213123322010 is a wasteful number, since it uses less digits than its factorization.

1213123322010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127815.

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

Adding to 1213123322010 its reverse (102233213121), we get a palindrome (1315356535131).

The spelling of 1213123322010 in words is "one trillion, two hundred thirteen billion, one hundred twenty-three million, three hundred twenty-two thousand, ten".