1271703212 has 96 divisors (see below), whose sum is σ = 2655313920. Its totient is φ = 527281920.

The previous prime is 1271703187. The next prime is 1271703217. The reversal of 1271703212 is 2123071721.

It is a super-2 number, since 2×1271703212² = 3234458118822233888, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (1271703217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4340138 + ... + 4340430.

It is an arithmetic number, because the mean of its divisors is an integer number (27659520).

Almost surely, 2^1271703212 is an apocalyptic number.

It is an amenable number.

1271703212 is an abundant number, since it is smaller than the sum of its proper divisors (1383610708).

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

1271703212 is a wasteful number, since it uses less digits than its factorization.

1271703212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543 (or 541 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 26.

The square root of 1271703212 is about 35660.9479963727. The cubic root of 1271703212 is about 1083.4160276021.

Adding to 1271703212 its reverse (2123071721), we get a palindrome (3394774933).

The spelling of 1271703212 in words is "one billion, two hundred seventy-one million, seven hundred three thousand, two hundred twelve".