1212210012022 has 8 divisors (see below), whose sum is σ = 1819878491016. Its totient is φ = 605583848352.

The previous prime is 1212210011977. The next prime is 1212210012023. The reversal of 1212210012022 is 2202100122121.

It is a happy number.

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

It is a super-2 number, since 2×1212210012022² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1212210011987 and 1212210012005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212210012023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 260575923 + ... + 260580574.

It is an arithmetic number, because the mean of its divisors is an integer number (227484811377).

Almost surely, 2^{1212210012022} is an apocalyptic number.

1212210012022 is a deficient number, since it is larger than the sum of its proper divisors (607668478994).

1212210012022 is a wasteful number, since it uses less digits than its factorization.

1212210012022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521157662.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1212210012022 its reverse (2202100122121), we get a palindrome (3414310134143).

The spelling of 1212210012022 in words is "one trillion, two hundred twelve billion, two hundred ten million, twelve thousand, twenty-two".