1213210022 has 8 divisors (see below), whose sum is σ = 1820694936. Its totient is φ = 606311712.

The previous prime is 1213210007. The next prime is 1213210039. The reversal of 1213210022 is 2200123121.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 1213209979 and 1213210006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141443 + ... + 149774.

It is an arithmetic number, because the mean of its divisors is an integer number (227586867).

Almost surely, 2^1213210022 is an apocalyptic number.

1213210022 is a deficient number, since it is larger than the sum of its proper divisors (607484914).

1213210022 is a wasteful number, since it uses less digits than its factorization.

1213210022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293302.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1213210022 is about 34831.1645225938. The cubic root of 1213210022 is about 1066.5437205735.

Adding to 1213210022 its reverse (2200123121), we get a palindrome (3413333143).

The spelling of 1213210022 in words is "one billion, two hundred thirteen million, two hundred ten thousand, twenty-two".