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12101020202 = 240499149399
BaseRepresentation
bin10110100010100011…
…01110101000101010
31011020100012112000102
423101101232220222
5144240330121302
65320434505402
7605605655165
oct132121565052
934210175012
1012101020202
11514a78a647
122418735262
1311ab0747ab
1482b1d6adc
154ac577702
hex2d146ea2a

12101020202 has 8 divisors (see below), whose sum is σ = 18152100000. Its totient is φ = 6050320204.

The previous prime is 12101020157. The next prime is 12101020213. The reversal of 12101020202 is 20202010121.

It is a happy number.

12101020202 is digitally balanced in base 5, 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 an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6299 + ... + 155697.

It is an arithmetic number, because the mean of its divisors is an integer number (2269012500).

Almost surely, 212101020202 is an apocalyptic number.

12101020202 is a deficient number, since it is larger than the sum of its proper divisors (6051079798).

12101020202 is a wasteful number, since it uses less digits than its factorization.

12101020202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189900.

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

Adding to 12101020202 its reverse (20202010121), we get a palindrome (32303030323).

The spelling of 12101020202 in words is "twelve billion, one hundred one million, twenty thousand, two hundred two".

Divisors: 1 2 40499 80998 149399 298798 6050510101 12101020202