122212021213210 has 8 divisors (see below), whose sum is σ = 219981638183796. Its totient is φ = 48884808485280.

The previous prime is 122212021213201. The next prime is 122212021213211. The reversal of 122212021213210 is 12312120212221.

It can be written as a sum of positive squares in 2 ways, for example, as 117712366318089 + 4499654895121 = 10849533^2 + 2121239^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (122212021213211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6110601060651 + ... + 6110601060670.

Almost surely, 2^{122212021213210} is an apocalyptic number.

122212021213210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122212021213210 is a deficient number, since it is larger than the sum of its proper divisors (97769616970586).

122212021213210 is a wasteful number, since it uses less digits than its factorization.

122212021213210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12221202121328.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 122212021213210 its reverse (12312120212221), we get a palindrome (134524141425431).

The spelling of 122212021213210 in words is "one hundred twenty-two trillion, two hundred twelve billion, twenty-one million, two hundred thirteen thousand, two hundred ten".