1212012022 has 32 divisors (see below), whose sum is σ = 2090753280. Its totient is φ = 522668160.

The previous prime is 1212012017. The next prime is 1212012031. The reversal of 1212012022 is 2202102121.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 1212011993 and 1212012011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2553 + ... + 49300.

It is an arithmetic number, because the mean of its divisors is an integer number (65336040).

Almost surely, 2^1212012022 is an apocalyptic number.

1212012022 is a deficient number, since it is larger than the sum of its proper divisors (878741258).

1212012022 is a wasteful number, since it uses less digits than its factorization.

1212012022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51928.

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

The square root of 1212012022 is about 34813.9630320939. The cubic root of 1212012022 is about 1066.1925474730.

Adding to 1212012022 its reverse (2202102121), we get a palindrome (3414114143).

Subtracting 1212012022 from its reverse (2202102121), we obtain a palindrome (990090099).

It can be divided in two parts, 12120 and 12022, that added together give a palindrome (24142).

The spelling of 1212012022 in words is "one billion, two hundred twelve million, twelve thousand, twenty-two".