1212081922 has 32 divisors (see below), whose sum is σ = 1932336000. Its totient is φ = 569044608.

The previous prime is 1212081901. The next prime is 1212081931. The reversal of 1212081922 is 2291802121.

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, 609013 + ... + 610999.

It is an arithmetic number, because the mean of its divisors is an integer number (60385500).

Almost surely, 2^1212081922 is an apocalyptic number.

1212081922 is a deficient number, since it is larger than the sum of its proper divisors (720254078).

1212081922 is a wasteful number, since it uses less digits than its factorization.

1212081922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2250.

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 1212081922 is about 34814.9669251602. The cubic root of 1212081922 is about 1066.2130438116.

The spelling of 1212081922 in words is "one billion, two hundred twelve million, eighty-one thousand, nine hundred twenty-two".