1301021212 has 12 divisors (see below), whose sum is σ = 2277348696. Its totient is φ = 650350160.

The previous prime is 1301021207. The next prime is 1301021221. The reversal of 1301021212 is 2121201031.

It is a junction number, because it is equal to n+sod(n) for n = 1301021192 and 1301021201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20839 + ... + 55102.

It is an arithmetic number, because the mean of its divisors is an integer number (189779058).

Almost surely, 2^1301021212 is an apocalyptic number.

It is an amenable number.

1301021212 is a deficient number, since it is larger than the sum of its proper divisors (976327484).

1301021212 is a wasteful number, since it uses less digits than its factorization.

1301021212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80228 (or 80226 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1301021212 is about 36069.6716369861. The cubic root of 1301021212 is about 1091.6785886493.

Adding to 1301021212 its reverse (2121201031), we get a palindrome (3422222243).

The spelling of 1301021212 in words is "one billion, three hundred one million, twenty-one thousand, two hundred twelve".