1212020022 has 32 divisors (see below), whose sum is σ = 2460331872. Its totient is φ = 397972224.

The previous prime is 1212020011. The next prime is 1212020027. The reversal of 1212020022 is 2200202121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212020027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 540688 + ... + 542924.

It is an arithmetic number, because the mean of its divisors is an integer number (76885371).

Almost surely, 2^1212020022 is an apocalyptic number.

1212020022 is an abundant number, since it is smaller than the sum of its proper divisors (1248311850).

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

1212020022 is a wasteful number, since it uses less digits than its factorization.

1212020022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3552.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 1212020022 is about 34814.0779283324. The cubic root of 1212020022 is about 1066.1948933027.

Adding to 1212020022 its reverse (2200202121), we get a palindrome (3412222143).

The spelling of 1212020022 in words is "one billion, two hundred twelve million, twenty thousand, twenty-two".