1312000212 has 24 divisors (see below), whose sum is σ = 3066296800. Its totient is φ = 436624416.

The previous prime is 1312000181. The next prime is 1312000243. The reversal of 1312000212 is 2120002131.

It is an interprime number because it is at equal distance from previous prime (1312000181) and next prime (1312000243).

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

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, 80887 + ... + 95742.

Almost surely, 2^1312000212 is an apocalyptic number.

1312000212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1312000212 is an abundant number, since it is smaller than the sum of its proper divisors (1754296588).

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

1312000212 is a wasteful number, since it uses less digits than its factorization.

1312000212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177255 (or 177253 counting only the distinct ones).

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

The square root of 1312000212 is about 36221.5434789850. The cubic root of 1312000212 is about 1094.7407939244.

Adding to 1312000212 its reverse (2120002131), we get a palindrome (3432002343).

It can be divided in two parts, 1 and 312000212, that added together give a palindrome (312000213).

The spelling of 1312000212 in words is "one billion, three hundred twelve million, two hundred twelve", and thus it is an aban number.