1213212330310 has 16 divisors (see below), whose sum is σ = 2214539691552. Its totient is φ = 478449932800.

The previous prime is 1213212330299. The next prime is 1213212330359. The reversal of 1213212330310 is 130332123121.

It is a super-2 number, since 2×1213212330310² (a number of 25 digits) contains 22 as substring.

It is a congruent 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, 854374171 + ... + 854375590.

It is an arithmetic number, because the mean of its divisors is an integer number (138408730722).

Almost surely, 2^{1213212330310} is an apocalyptic number.

1213212330310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1213212330310 is a deficient number, since it is larger than the sum of its proper divisors (1001327361242).

1213212330310 is a wasteful number, since it uses less digits than its factorization.

1213212330310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1708749839.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1213212330310 its reverse (130332123121), we get a palindrome (1343544453431).

The spelling of 1213212330310 in words is "one trillion, two hundred thirteen billion, two hundred twelve million, three hundred thirty thousand, three hundred ten".