1220210120204 has 24 divisors (see below), whose sum is σ = 2187538164000. Its totient is φ = 595200417920.

The previous prime is 1220210120159. The next prime is 1220210120267. The reversal of 1220210120204 is 4020210120221.

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, 4330622 + ... + 4603770.

It is an arithmetic number, because the mean of its divisors is an integer number (91147423500).

Almost surely, 2^{1220210120204} is an apocalyptic number.

It is an amenable number.

1220210120204 is a deficient number, since it is larger than the sum of its proper divisors (967328043796).

1220210120204 is a wasteful number, since it uses less digits than its factorization.

1220210120204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300433 (or 300431 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 1220210120204 its sum of digits (17), we get a palindrome (1220210120221).

Adding to 1220210120204 its reverse (4020210120221), we get a palindrome (5240420240425).

The spelling of 1220210120204 in words is "one trillion, two hundred twenty billion, two hundred ten million, one hundred twenty thousand, two hundred four".