1293936212 has 12 divisors (see below), whose sum is σ = 2266263636. Its totient is φ = 646432320.

The previous prime is 1293936211. The next prime is 1293936221. The reversal of 1293936212 is 2126393921.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 379236676 + 914699536 = 19474^2 + 30244^2 .

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1293936211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128489 + ... + 138192.

It is an arithmetic number, because the mean of its divisors is an integer number (188855303).

Almost surely, 2^1293936212 is an apocalyptic number.

It is an amenable number.

1293936212 is a deficient number, since it is larger than the sum of its proper divisors (972327424).

1293936212 is a wasteful number, since it uses less digits than its factorization.

1293936212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267898 (or 267896 counting only the distinct ones).

The product of its digits is 34992, while the sum is 38.

The square root of 1293936212 is about 35971.3248574472. The cubic root of 1293936212 is about 1089.6933211231.

The spelling of 1293936212 in words is "one billion, two hundred ninety-three million, nine hundred thirty-six thousand, two hundred twelve".