1000212120122 has 32 divisors (see below), whose sum is σ = 1615705159680. Its totient is φ = 462659086080.

The previous prime is 1000212120121. The next prime is 1000212120137. The reversal of 1000212120122 is 2210212120001.

It is a junction number, because it is equal to n+sod(n) for n = 1000212120097 and 1000212120106.

It is not an unprimeable number, because it can be changed into a prime (1000212120121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2921879 + ... + 3246197.

It is an arithmetic number, because the mean of its divisors is an integer number (50490786240).

Almost surely, 2^{1000212120122} is an apocalyptic number.

1000212120122 is a deficient number, since it is larger than the sum of its proper divisors (615493039558).

1000212120122 is a wasteful number, since it uses less digits than its factorization.

1000212120122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325886.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1000212120122 its reverse (2210212120001), we get a palindrome (3210424240123).

The spelling of 1000212120122 in words is "one trillion, two hundred twelve million, one hundred twenty thousand, one hundred twenty-two".