1300121212 has 24 divisors (see below), whose sum is σ = 2451319472. Its totient is φ = 599788800.

The previous prime is 1300121203. The next prime is 1300121231. The reversal of 1300121212 is 2121210031.

It is a Harshad number since it is a multiple of its sum of digits (13).

1300121212 is a modest number, since divided by 121212 gives 1300 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 1300121192 and 1300121201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158287 + ... + 166297.

Almost surely, 2^1300121212 is an apocalyptic number.

It is an amenable number.

1300121212 is a deficient number, since it is larger than the sum of its proper divisors (1151198260).

1300121212 is a wasteful number, since it uses less digits than its factorization.

1300121212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11149 (or 11147 counting only the distinct ones).

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

The square root of 1300121212 is about 36057.1936234644. The cubic root of 1300121212 is about 1091.4268024977.

Adding to 1300121212 its reverse (2121210031), we get a palindrome (3421331243).

The spelling of 1300121212 in words is "one billion, three hundred million, one hundred twenty-one thousand, two hundred twelve".