1212111010022 has 16 divisors (see below), whose sum is σ = 2047436780544. Its totient is φ = 533186661000.

The previous prime is 1212111010007. The next prime is 1212111010027. The reversal of 1212111010022 is 2200101112121.

It is a junction number, because it is equal to n+sod(n) for n = 1212111009979 and 1212111010006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212111010027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 888643754 + ... + 888645117.

It is an arithmetic number, because the mean of its divisors is an integer number (127964798784).

Almost surely, 2^{1212111010022} is an apocalyptic number.

1212111010022 is a deficient number, since it is larger than the sum of its proper divisors (835325770522).

1212111010022 is a wasteful number, since it uses less digits than its factorization.

1212111010022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1777288915.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1212111010022 its reverse (2200101112121), we get a palindrome (3412212122143).

The spelling of 1212111010022 in words is "one trillion, two hundred twelve billion, one hundred eleven million, ten thousand, twenty-two".