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12142213210 = 251214221321
BaseRepresentation
bin10110100111011101…
…10111100001011010
31011100012201100012101
423103232313201122
5144331401310320
65324505434014
7606616052341
oct132356674132
934305640171
1012142213210
115170a65556
12242a49b90a
1311b676835a
1483287ab58
154b0eb2c0a
hex2d3bb785a

12142213210 has 8 divisors (see below), whose sum is σ = 21855983796. Its totient is φ = 4856885280.

The previous prime is 12142213183. The next prime is 12142213211. The reversal of 12142213210 is 1231224121.

It can be written as a sum of positive squares in 2 ways, for example, as 9743466681 + 2398746529 = 98709^2 + 48977^2 .

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

It is not an unprimeable number, because it can be changed into a prime (12142213211) 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, 607110651 + ... + 607110670.

Almost surely, 212142213210 is an apocalyptic number.

12142213210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12142213210 is a deficient number, since it is larger than the sum of its proper divisors (9713770586).

12142213210 is a wasteful number, since it uses less digits than its factorization.

12142213210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1214221328.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 12142213210 its reverse (1231224121), we get a palindrome (13373437331).

The spelling of 12142213210 in words is "twelve billion, one hundred forty-two million, two hundred thirteen thousand, two hundred ten".

Divisors: 1 2 5 10 1214221321 2428442642 6071106605 12142213210