13122212111010 has 24 divisors (see below), whose sum is σ = 34117751488860. Its totient is φ = 3499256562912.

The previous prime is 13122212111009. The next prime is 13122212111011. The reversal of 13122212111010 is 1011121222131.

It is a happy number.

13122212111010 is a `hidden beast` number, since 1 + 312 + 221 + 21 + 110 + 1 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (13122212111009) and next prime (13122212111011).

It can be written as a sum of positive squares in 2 ways, for example, as 12439947674961 + 682264436049 = 3527031^2 + 825993^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (13122212111011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72901178305 + ... + 72901178484.

Almost surely, 2^{13122212111010} is an apocalyptic number.

13122212111010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13122212111010 is an abundant number, since it is smaller than the sum of its proper divisors (20995539377850).

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

13122212111010 is a wasteful number, since it uses less digits than its factorization.

13122212111010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145802356802 (or 145802356799 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 13122212111010 its reverse (1011121222131), we get a palindrome (14133333333141).

The spelling of 13122212111010 in words is "thirteen trillion, one hundred twenty-two billion, two hundred twelve million, one hundred eleven thousand, ten".