212001001202122 has 16 divisors (see below), whose sum is σ = 358101397926144. Its totient is φ = 93255572376000.

The previous prime is 212001001202101. The next prime is 212001001202161. The reversal of 212001001202122 is 221202100100212.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 212001001202096 and 212001001202105.

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, 155425953279 + ... + 155425954642.

It is an arithmetic number, because the mean of its divisors is an integer number (22381337370384).

Almost surely, 2^{212001001202122} is an apocalyptic number.

212001001202122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

212001001202122 is a deficient number, since it is larger than the sum of its proper divisors (146100396724022).

212001001202122 is a wasteful number, since it uses less digits than its factorization.

212001001202122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310851907965.

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

Adding to 212001001202122 its reverse (221202100100212), we get a palindrome (433203101302334).

The spelling of 212001001202122 in words is "two hundred twelve trillion, one billion, one million, two hundred two thousand, one hundred twenty-two".