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12200101031 = 291792350241
BaseRepresentation
bin10110101110010111…
…01100010010100111
31011111020122100100202
423113023230102213
5144441211213111
65334334301115
7611221101446
oct132713542247
934436570322
1012200101031
1151a0703528
12244595779b
1311c5755ac1
1483a428d5d
154b60e9b3b
hex2d72ec4a7

12200101031 has 8 divisors (see below), whose sum is σ = 12691306800. Its totient is φ = 11713596160.

The previous prime is 12200101009. The next prime is 12200101037. The reversal of 12200101031 is 13010100221.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12200101031 is a prime.

It is a super-2 number, since 2×122001010312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12200101037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1169930 + ... + 1180311.

It is an arithmetic number, because the mean of its divisors is an integer number (1586413350).

Almost surely, 212200101031 is an apocalyptic number.

12200101031 is a deficient number, since it is larger than the sum of its proper divisors (491205769).

12200101031 is a wasteful number, since it uses less digits than its factorization.

12200101031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2350449.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 12200101031 its reverse (13010100221), we get a palindrome (25210201252).

The spelling of 12200101031 in words is "twelve billion, two hundred million, one hundred one thousand, thirty-one".

Divisors: 1 29 179 5191 2350241 68156989 420693139 12200101031