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12404212102 = 213147344321
BaseRepresentation
bin10111000110101100…
…10100000110000110
31012000110201021010001
423203112110012012
5200400434241402
65410505151514
7616250030452
oct134326240606
935013637101
1012404212102
115295944167
1224a218b59a
131228b1c399
1485959b662
154c8eb7187
hex2e3594186

12404212102 has 8 divisors (see below), whose sum is σ = 18748351512. Its totient is φ = 6154761600.

The previous prime is 12404212043. The next prime is 12404212103. The reversal of 12404212102 is 20121240421.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12404212102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12404212103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23671899 + ... + 23672422.

It is an arithmetic number, because the mean of its divisors is an integer number (2343543939).

Almost surely, 212404212102 is an apocalyptic number.

12404212102 is a deficient number, since it is larger than the sum of its proper divisors (6344139410).

12404212102 is a wasteful number, since it uses less digits than its factorization.

12404212102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47344454.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 12404212102 its reverse (20121240421), we get a palindrome (32525452523).

The spelling of 12404212102 in words is "twelve billion, four hundred four million, two hundred twelve thousand, one hundred two".

Divisors: 1 2 131 262 47344321 94688642 6202106051 12404212102