1212001200022 has 8 divisors (see below), whose sum is σ = 1818019252656. Its totient is φ = 605994782472.

The previous prime is 1212001200001. The next prime is 1212001200037. The reversal of 1212001200022 is 2200021002121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1212001199975 and 1212001200011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2643513 + ... + 3067924.

It is an arithmetic number, because the mean of its divisors is an integer number (227252406582).

Almost surely, 2^{1212001200022} is an apocalyptic number.

1212001200022 is a deficient number, since it is larger than the sum of its proper divisors (606018052634).

1212001200022 is a wasteful number, since it uses less digits than its factorization.

1212001200022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5817542.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1212001200022 its reverse (2200021002121), we get a palindrome (3412022202143).

The spelling of 1212001200022 in words is "one trillion, two hundred twelve billion, one million, two hundred thousand, twenty-two".