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12200230002 = 233754955991
BaseRepresentation
bin10110101110011000…
…01011110001110010
31011111020212220021110
423113030023301302
5144441224330002
65334341134150
7611222146452
oct132714136162
934436786243
1012200230002
1151a0791414
1224459ba356
1311c579c70c
1483a45dd62
154b6122e6c
hex2d730bc72

12200230002 has 16 divisors (see below), whose sum is σ = 25059932352. Its totient is φ = 3956831280.

The previous prime is 12200229991. The next prime is 12200230019. The reversal of 12200230002 is 20003200221.

It is a super-2 number, since 2×122002300022 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12200230002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27477774 + ... + 27478217.

It is an arithmetic number, because the mean of its divisors is an integer number (1566245772).

Almost surely, 212200230002 is an apocalyptic number.

12200230002 is an abundant number, since it is smaller than the sum of its proper divisors (12859702350).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12200230002 is a wasteful number, since it uses less digits than its factorization.

12200230002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54956033.

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 12200230002 its reverse (20003200221), we get a palindrome (32203430223).

The spelling of 12200230002 in words is "twelve billion, two hundred million, two hundred thirty thousand, two".

Divisors: 1 2 3 6 37 74 111 222 54955991 109911982 164867973 329735946 2033371667 4066743334 6100115001 12200230002