550220211212 has 48 divisors (see below), whose sum is σ = 1107667649088. Its totient is φ = 234263527680.

The previous prime is 550220211197. The next prime is 550220211223. The reversal of 550220211212 is 212112022055.

It is a super-3 number, since 3×550220211212³ (a number of 36 digits) contains 333 as substring.

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, 3660662 + ... + 3808002.

It is an arithmetic number, because the mean of its divisors is an integer number (23076409356).

Almost surely, 2^550220211212 is an apocalyptic number.

It is an amenable number.

550220211212 is an abundant number, since it is smaller than the sum of its proper divisors (557447437876).

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

550220211212 is a wasteful number, since it uses less digits than its factorization.

550220211212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148226 (or 148224 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 23.

Adding to 550220211212 its reverse (212112022055), we get a palindrome (762332233267).

The spelling of 550220211212 in words is "five hundred fifty billion, two hundred twenty million, two hundred eleven thousand, two hundred twelve".