1213200010220 has 96 divisors (see below), whose sum is σ = 2785093549056. Its totient is φ = 440250048000.

The previous prime is 1213200010201. The next prime is 1213200010229. The reversal of 1213200010220 is 220100023121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1213200010195 and 1213200010204.

It is not an unprimeable number, because it can be changed into a prime (1213200010229) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 253645949 + ... + 253650731.

It is an arithmetic number, because the mean of its divisors is an integer number (29011391136).

Almost surely, 2^{1213200010220} is an apocalyptic number.

1213200010220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1213200010220 is an abundant number, since it is smaller than the sum of its proper divisors (1571893538836).

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

1213200010220 is a wasteful number, since it uses less digits than its factorization.

1213200010220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6951 (or 6949 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 1213200010220 its reverse (220100023121), we get a palindrome (1433300033341).

The spelling of 1213200010220 in words is "one trillion, two hundred thirteen billion, two hundred million, ten thousand, two hundred twenty".