1220210212012 has 12 divisors (see below), whose sum is σ = 2329492223016. Its totient is φ = 554641005440.

The previous prime is 1220210211929. The next prime is 1220210212043. The reversal of 1220210212012 is 2102120120221.

It is a happy number.

It is a super-2 number, since 2×1220210212012² (a number of 25 digits) contains 22 as substring.

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, 13866025093 + ... + 13866025180.

It is an arithmetic number, because the mean of its divisors is an integer number (194124351918).

Almost surely, 2^{1220210212012} is an apocalyptic number.

It is an amenable number.

1220210212012 is a deficient number, since it is larger than the sum of its proper divisors (1109282011004).

1220210212012 is a wasteful number, since it uses less digits than its factorization.

1220210212012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27732050288 (or 27732050286 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1220210212012 its reverse (2102120120221), we get a palindrome (3322330332233).

The spelling of 1220210212012 in words is "one trillion, two hundred twenty billion, two hundred ten million, two hundred twelve thousand, twelve".