1212212022 has 16 divisors (see below), whose sum is σ = 2770770432. Its totient is φ = 346346280.

The previous prime is 1212211991. The next prime is 1212212059. The reversal of 1212212022 is 2202122121.

It is a junction number, because it is equal to n+sod(n) for n = 1212211992 and 1212212010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14431054 + ... + 14431137.

It is an arithmetic number, because the mean of its divisors is an integer number (173173152).

Almost surely, 2^1212212022 is an apocalyptic number.

1212212022 is an abundant number, since it is smaller than the sum of its proper divisors (1558558410).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1212212022 is a wasteful number, since it uses less digits than its factorization.

1212212022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28862203.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 1212212022 is about 34816.8353243083. The cubic root of 1212212022 is about 1066.2511901205.

Adding to 1212212022 its reverse (2202122121), we get a palindrome (3414334143).

The spelling of 1212212022 in words is "one billion, two hundred twelve million, two hundred twelve thousand, twenty-two".