1210013013220 has 24 divisors (see below), whose sum is σ = 2772029812608. Its totient is φ = 440004732000.

The previous prime is 1210013013199. The next prime is 1210013013221. The reversal of 1210013013220 is 223103100121.

It is a junction number, because it is equal to n+sod(n) for n = 1210013013194 and 1210013013203.

It is not an unprimeable number, because it can be changed into a prime (1210013013221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2750029356 + ... + 2750029795.

It is an arithmetic number, because the mean of its divisors is an integer number (115501242192).

Almost surely, 2^{1210013013220} is an apocalyptic number.

1210013013220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1210013013220 is an abundant number, since it is smaller than the sum of its proper divisors (1562016799388).

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

1210013013220 is a wasteful number, since it uses less digits than its factorization.

1210013013220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5500059171 (or 5500059169 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1210013013220 its reverse (223103100121), we get a palindrome (1433116113341).

The spelling of 1210013013220 in words is "one trillion, two hundred ten billion, thirteen million, thirteen thousand, two hundred twenty".