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12220420413 = 313729733383
BaseRepresentation
bin10110110000110010…
…01101000100111101
31011112122212200022110
423120121031010331
5200011411423123
65340342004233
7611555600565
oct133031150475
934478780273
1012220420413
115201121803
122450716679
1311c9a1b6c6
1483cdd7da5
154b7cb0493
hex2d864d13d

12220420413 has 8 divisors (see below), whose sum is σ = 16412827968. Its totient is φ = 8087479904.

The previous prime is 12220420411. The next prime is 12220420439. The reversal of 12220420413 is 31402402221.

12220420413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 12220420413 - 21 = 12220420411 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12220420413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12220420411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14866281 + ... + 14867102.

It is an arithmetic number, because the mean of its divisors is an integer number (2051603496).

Almost surely, 212220420413 is an apocalyptic number.

It is an amenable number.

12220420413 is a deficient number, since it is larger than the sum of its proper divisors (4192407555).

12220420413 is a wasteful number, since it uses less digits than its factorization.

12220420413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29733523.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 12220420413 its reverse (31402402221), we get a palindrome (43622822634).

The spelling of 12220420413 in words is "twelve billion, two hundred twenty million, four hundred twenty thousand, four hundred thirteen".

Divisors: 1 3 137 411 29733383 89200149 4073473471 12220420413