13212123220310 has 16 divisors (see below), whose sum is σ = 27179224910496. Its totient is φ = 4529870818368.

The previous prime is 13212123220273. The next prime is 13212123220313. The reversal of 13212123220310 is 1302232121231.

It is a super-2 number, since 2×13212123220310² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13212123220313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94372308647 + ... + 94372308786.

It is an arithmetic number, because the mean of its divisors is an integer number (1698701556906).

Almost surely, 2^{13212123220310} is an apocalyptic number.

13212123220310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13212123220310 is an abundant number, since it is smaller than the sum of its proper divisors (13967101690186).

13212123220310 is a wasteful number, since it uses less digits than its factorization.

13212123220310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188744617447.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 13212123220310 its reverse (1302232121231), we get a palindrome (14514355341541).

The spelling of 13212123220310 in words is "thirteen trillion, two hundred twelve billion, one hundred twenty-three million, two hundred twenty thousand, three hundred ten".