1220410212 has 48 divisors (see below), whose sum is σ = 3445868160. Its totient is φ = 328177152.

The previous prime is 1220410211. The next prime is 1220410231. The reversal of 1220410212 is 2120140221.

It is a junction number, because it is equal to n+sod(n) for n = 1220410191 and 1220410200.

It is not an unprimeable number, because it can be changed into a prime (1220410211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 425887 + ... + 428742.

It is an arithmetic number, because the mean of its divisors is an integer number (71788920).

Almost surely, 2^1220410212 is an apocalyptic number.

1220410212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1220410212 is an abundant number, since it is smaller than the sum of its proper divisors (2225457948).

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

1220410212 is a wasteful number, since it uses less digits than its factorization.

1220410212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 854660 (or 854658 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 1220410212 is about 34934.3700673134. The cubic root of 1220410212 is about 1068.6494773072.

Adding to 1220410212 its reverse (2120140221), we get a palindrome (3340550433).

The spelling of 1220410212 in words is "one billion, two hundred twenty million, four hundred ten thousand, two hundred twelve".