212002120100122 has 96 divisors (see below), whose sum is σ = 384824337295104. Its totient is φ = 86562917760000.

The previous prime is 212002120100101. The next prime is 212002120100137. The reversal of 212002120100122 is 221001021200212.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 212002120100096 and 212002120100105.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 89243247 + ... + 91587997.

It is an arithmetic number, because the mean of its divisors is an integer number (4008586846824).

Almost surely, 2^{212002120100122} is an apocalyptic number.

212002120100122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

212002120100122 is a deficient number, since it is larger than the sum of its proper divisors (172822217194982).

212002120100122 is a wasteful number, since it uses less digits than its factorization.

212002120100122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2345284 (or 2345261 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 212002120100122 its reverse (221001021200212), we get a palindrome (433003141300334).

The spelling of 212002120100122 in words is "two hundred twelve trillion, two billion, one hundred twenty million, one hundred thousand, one hundred twenty-two".