1301210220 has 48 divisors (see below), whose sum is σ = 3648703968. Its totient is φ = 346483200.

The previous prime is 1301210189. The next prime is 1301210299. The reversal of 1301210220 is 220121031.

1301210220 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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 = 1301210196 and 1301210205.

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, 26592 + ... + 57528.

It is an arithmetic number, because the mean of its divisors is an integer number (76014666).

Almost surely, 2^1301210220 is an apocalyptic number.

1301210220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1301210220 is an abundant number, since it is smaller than the sum of its proper divisors (2347493748).

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

1301210220 is a wasteful number, since it uses less digits than its factorization.

1301210220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31650 (or 31648 counting only the distinct ones).

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

The square root of 1301210220 is about 36072.2915823212. The cubic root of 1301210220 is about 1091.7314512246.

Adding to 1301210220 its reverse (220121031), we get a palindrome (1521331251).

It can be divided in two parts, 13012 and 10220, that added together give a palindrome (23232).

The spelling of 1301210220 in words is "one billion, three hundred one million, two hundred ten thousand, two hundred twenty".