1213101021310 has 32 divisors (see below), whose sum is σ = 2259374171904. Its totient is φ = 468472032000.

The previous prime is 1213101021289. The next prime is 1213101021311. The reversal of 1213101021310 is 131201013121.

It is a happy number.

It is a super-2 number, since 2×1213101021310² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213101021311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4517031 + ... + 4778050.

It is an arithmetic number, because the mean of its divisors is an integer number (70605442872).

Almost surely, 2^{1213101021310} is an apocalyptic number.

1213101021310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1213101021310 is a deficient number, since it is larger than the sum of its proper divisors (1046273150594).

1213101021310 is a wasteful number, since it uses less digits than its factorization.

1213101021310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9295540.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 1213101021310 its reverse (131201013121), we get a palindrome (1344302034431).

The spelling of 1213101021310 in words is "one trillion, two hundred thirteen billion, one hundred one million, twenty-one thousand, three hundred ten".