1212320211022 has 8 divisors (see below), whose sum is σ = 1818487715616. Its totient is φ = 606157639152.

The previous prime is 1212320211007. The next prime is 1212320211029. The reversal of 1212320211022 is 2201120232121.

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

It is a super-2 number, since 2×1212320211022² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212320211029) 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, 541063 + ... + 1648450.

It is an arithmetic number, because the mean of its divisors is an integer number (227310964452).

Almost surely, 2^{1212320211022} is an apocalyptic number.

1212320211022 is a deficient number, since it is larger than the sum of its proper divisors (606167504594).

1212320211022 is a wasteful number, since it uses less digits than its factorization.

1212320211022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2466362.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 1212320211022 its reverse (2201120232121), we get a palindrome (3413440443143).

The spelling of 1212320211022 in words is "one trillion, two hundred twelve billion, three hundred twenty million, two hundred eleven thousand, twenty-two".