1301212200 has 48 divisors (see below), whose sum is σ = 4033759680. Its totient is φ = 346989760.

The previous prime is 1301212183. The next prime is 1301212201. The reversal of 1301212200 is 22121031.

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

It is not an unprimeable number, because it can be changed into a prime (1301212201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1083744 + ... + 1084943.

It is an arithmetic number, because the mean of its divisors is an integer number (84036660).

Almost surely, 2^1301212200 is an apocalyptic number.

1301212200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1301212200 is an abundant number, since it is smaller than the sum of its proper divisors (2732547480).

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

1301212200 is a wasteful number, since it uses less digits than its factorization.

1301212200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2168706 (or 2168697 counting only the distinct ones).

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

The square root of 1301212200 is about 36072.3190271987. The cubic root of 1301212200 is about 1091.7320049725.

Adding to 1301212200 its reverse (22121031), we get a palindrome (1323333231).

The spelling of 1301212200 in words is "one billion, three hundred one million, two hundred twelve thousand, two hundred".