12212434402 has 16 divisors (see below), whose sum is σ = 20943934272. Its totient is φ = 5231817360.

The previous prime is 12212434387. The next prime is 12212434463. The reversal of 12212434402 is 20443421221.

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, 136893 + ... + 207760.

It is an arithmetic number, because the mean of its divisors is an integer number (1308995892).

Almost surely, 2^12212434402 is an apocalyptic number.

12212434402 is a deficient number, since it is larger than the sum of its proper divisors (8731499870).

12212434402 is a wasteful number, since it uses less digits than its factorization.

12212434402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347193.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 12212434402 its reverse (20443421221), we get a palindrome (32655855623).

The spelling of 12212434402 in words is "twelve billion, two hundred twelve million, four hundred thirty-four thousand, four hundred two".