1212000100022 has 16 divisors (see below), whose sum is σ = 1841071680000. Its totient is φ = 598310030760.

The previous prime is 1212000100019. The next prime is 1212000100067. The reversal of 1212000100022 is 2200010002121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1212000099976 and 1212000100012.

It is a congruent number.

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, 5708729 + ... + 5917227.

It is an arithmetic number, because the mean of its divisors is an integer number (115066980000).

Almost surely, 2^{1212000100022} is an apocalyptic number.

1212000100022 is a deficient number, since it is larger than the sum of its proper divisors (629071579978).

1212000100022 is a wasteful number, since it uses less digits than its factorization.

1212000100022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245371.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1212000100022 its reverse (2200010002121), we get a palindrome (3412010102143).

The spelling of 1212000100022 in words is "one trillion, two hundred twelve billion, one hundred thousand, twenty-two".