122012112122210 has 16 divisors (see below), whose sum is σ = 219763219621176. Its totient is φ = 48773418670848.

The previous prime is 122012112122143. The next prime is 122012112122269. The reversal of 122012112122210 is 12221211210221.

It can be written as a sum of positive squares in 4 ways, for example, as 32065457793769 + 89946654328441 = 5662637^2 + 9484021^2 .

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, 3928255949 + ... + 3928287008.

Almost surely, 2^{122012112122210} is an apocalyptic number.

122012112122210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122012112122210 is a deficient number, since it is larger than the sum of its proper divisors (97751107498966).

122012112122210 is a wasteful number, since it uses less digits than its factorization.

122012112122210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7856544517.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 122012112122210 its reverse (12221211210221), we get a palindrome (134233323332431).

The spelling of 122012112122210 in words is "one hundred twenty-two trillion, twelve billion, one hundred twelve million, one hundred twenty-two thousand, two hundred ten".