1213213113310 has 32 divisors (see below), whose sum is σ = 2395618416000. Its totient is φ = 438703769760.

The previous prime is 1213213113223. The next prime is 1213213113353. The reversal of 1213213113310 is 133113123121.

It is a super-2 number, since 2×1213213113310² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent 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, 30788160 + ... + 30827539.

It is an arithmetic number, because the mean of its divisors is an integer number (74863075500).

Almost surely, 2^{1213213113310} is an apocalyptic number.

1213213113310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1213213113310 is a deficient number, since it is larger than the sum of its proper divisors (1182405302690).

1213213113310 is a wasteful number, since it uses less digits than its factorization.

1213213113310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61615896.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 1213213113310 its reverse (133113123121), we get a palindrome (1346326236431).

The spelling of 1213213113310 in words is "one trillion, two hundred thirteen billion, two hundred thirteen million, one hundred thirteen thousand, three hundred ten".