12211400402 has 8 divisors (see below), whose sum is σ = 18907974912. Its totient is φ = 5908742100.

The previous prime is 12211400381. The next prime is 12211400423. The reversal of 12211400402 is 20400411221.

It is an interprime number because it is at equal distance from previous prime (12211400381) and next prime (12211400423).

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98478974 + ... + 98479097.

It is an arithmetic number, because the mean of its divisors is an integer number (2363496864).

Almost surely, 2^12211400402 is an apocalyptic number.

12211400402 is a deficient number, since it is larger than the sum of its proper divisors (6696574510).

12211400402 is a wasteful number, since it uses less digits than its factorization.

12211400402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196958104.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 12211400402 its reverse (20400411221), we get a palindrome (32611811623).

The spelling of 12211400402 in words is "twelve billion, two hundred eleven million, four hundred thousand, four hundred two".