1212001110022 has 4 divisors (see below), whose sum is σ = 1818001665036. Its totient is φ = 606000555010.

The previous prime is 1212001110013. The next prime is 1212001110041. The reversal of 1212001110022 is 2200111002121.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 1212001109984 and 1212001110011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 303000277504 + ... + 303000277507.

It is an arithmetic number, because the mean of its divisors is an integer number (454500416259).

Almost surely, 2^{1212001110022} is an apocalyptic number.

1212001110022 is a deficient number, since it is larger than the sum of its proper divisors (606000555014).

1212001110022 is an equidigital number, since it uses as much as digits as its factorization.

1212001110022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606000555013.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1212001110022 its reverse (2200111002121), we get a palindrome (3412112112143).

The spelling of 1212001110022 in words is "one trillion, two hundred twelve billion, one million, one hundred ten thousand, twenty-two".