1276040212 has 48 divisors (see below), whose sum is σ = 2339381520. Its totient is φ = 608486400.

The previous prime is 1276040203. The next prime is 1276040221. The reversal of 1276040212 is 2120406721.

It is an interprime number because it is at equal distance from previous prime (1276040203) and next prime (1276040221).

It can be written as a sum of positive squares in 8 ways, for example, as 367258896 + 908781316 = 19164^2 + 30146^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2290638 + ... + 2291194.

It is an arithmetic number, because the mean of its divisors is an integer number (48737115).

Almost surely, 2^1276040212 is an apocalyptic number.

It is an amenable number.

1276040212 is a deficient number, since it is larger than the sum of its proper divisors (1063341308).

1276040212 is a wasteful number, since it uses less digits than its factorization.

1276040212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 892 (or 890 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 1276040212 is about 35721.7050544903. The cubic root of 1276040212 is about 1084.6462527619.

Adding to 1276040212 its reverse (2120406721), we get a palindrome (3396446933).

The spelling of 1276040212 in words is "one billion, two hundred seventy-six million, forty thousand, two hundred twelve".