3212540402 has 16 divisors (see below), whose sum is σ = 4877605824. Its totient is φ = 1586790000.

The previous prime is 3212540399. The next prime is 3212540413. The reversal of 3212540402 is 2040452123.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25277 + ... + 84047.

It is an arithmetic number, because the mean of its divisors is an integer number (304850364).

Almost surely, 2^3212540402 is an apocalyptic number.

3212540402 is a deficient number, since it is larger than the sum of its proper divisors (1665065422).

3212540402 is a wasteful number, since it uses less digits than its factorization.

3212540402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59105.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 3212540402 is about 56679.2766538177. The cubic root of 3212540402 is about 1475.5350585118.

Adding to 3212540402 its reverse (2040452123), we get a palindrome (5252992525).

It can be divided in two parts, 32125 and 40402, that added together give a palindrome (72527).

The spelling of 3212540402 in words is "three billion, two hundred twelve million, five hundred forty thousand, four hundred two".