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12202020123 = 35783703327
BaseRepresentation
bin10110101110100110…
…00000110100011011
31011111101020211212020
423113103000310123
5144442204120443
65334443345523
7611243313456
oct132723006433
934441224766
1012202020123
1151a17a4357
1224465222a3
1311c5c78467
1483a7a849d
154b6378583
hex2d74c0d1b

12202020123 has 8 divisors (see below), whose sum is σ = 16272196608. Its totient is φ = 8133261864.

The previous prime is 12202020119. The next prime is 12202020133. The reversal of 12202020123 is 32102020221.

It is a happy number.

12202020123 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 not a de Polignac number, because 12202020123 - 22 = 12202020119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12202020133) 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, 334315 + ... + 369012.

It is an arithmetic number, because the mean of its divisors is an integer number (2034024576).

Almost surely, 212202020123 is an apocalyptic number.

12202020123 is a deficient number, since it is larger than the sum of its proper divisors (4070176485).

12202020123 is an equidigital number, since it uses as much as digits as its factorization.

12202020123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 709113.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 12202020123 its reverse (32102020221), we get a palindrome (44304040344).

The spelling of 12202020123 in words is "twelve billion, two hundred two million, twenty thousand, one hundred twenty-three".

Divisors: 1 3 5783 17349 703327 2109981 4067340041 12202020123