1210130220 has 48 divisors (see below), whose sum is σ = 3649010400. Its totient is φ = 297878016.

The previous prime is 1210130219. The next prime is 1210130249. The reversal of 1210130220 is 220310121.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 1210130196 and 1210130205.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 774945 + ... + 776504.

It is an arithmetic number, because the mean of its divisors is an integer number (76021050).

Almost surely, 2^1210130220 is an apocalyptic number.

1210130220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1210130220 is an abundant number, since it is smaller than the sum of its proper divisors (2438880180).

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

1210130220 is a wasteful number, since it uses less digits than its factorization.

1210130220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1551474 (or 1551472 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1210130220 is about 34786.9259923897. The cubic root of 1210130220 is about 1065.6404620409.

Adding to 1210130220 its reverse (220310121), we get a palindrome (1430440341).

The spelling of 1210130220 in words is "one billion, two hundred ten million, one hundred thirty thousand, two hundred twenty".