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10012002122 = 27368575357
BaseRepresentation
bin10010101001100001…
…10000011101001010
3221211202100101221102
421110300300131022
5131001033031442
64333251541402
7503051420363
oct112460603512
927752311842
1010012002122
114278572421
121b34bba862
13c37330415
153d8e7e232
hex254c3074a

10012002122 has 8 divisors (see below), whose sum is σ = 15223729476. Its totient is φ = 4937425632.

The previous prime is 10012002103. The next prime is 10012002127. The reversal of 10012002122 is 22120021001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8596812961 + 1415189161 = 92719^2 + 37619^2 .

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 (10012002127) 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, 34287533 + ... + 34287824.

Almost surely, 210012002122 is an apocalyptic number.

10012002122 is a deficient number, since it is larger than the sum of its proper divisors (5211727354).

10012002122 is an equidigital number, since it uses as much as digits as its factorization.

10012002122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68575432.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 10012002122 its reverse (22120021001), we get a palindrome (32132023123).

The spelling of 10012002122 in words is "ten billion, twelve million, two thousand, one hundred twenty-two".