1220212202 has 16 divisors (see below), whose sum is σ = 1997257824. Its totient is φ = 554490000.

The previous prime is 1220212183. The next prime is 1220212211. The reversal of 1220212202 is 2022120221.

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, 129677 + ... + 138767.

It is an arithmetic number, because the mean of its divisors is an integer number (124828614).

Almost surely, 2^1220212202 is an apocalyptic number.

1220212202 is a deficient number, since it is larger than the sum of its proper divisors (777045622).

1220212202 is a wasteful number, since it uses less digits than its factorization.

1220212202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15205.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 1220212202 is about 34931.5359238611. The cubic root of 1220212202 is about 1068.5916785097.

Adding to 1220212202 its reverse (2022120221), we get a palindrome (3242332423).

The spelling of 1220212202 in words is "one billion, two hundred twenty million, two hundred twelve thousand, two hundred two".