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12021402310 = 252454748973
BaseRepresentation
bin10110011001000100…
…00000101011000110
31011000210101111210121
423030202000223012
5144104434333220
65304512212154
7603621143101
oct131442005306
934023344717
1012021402310
11510984a535
1223b5b3a05a
131197719308
148207cd738
154a559beaa
hex2cc880ac6

12021402310 has 16 divisors (see below), whose sum is σ = 21639847536. Its totient is φ = 4808266848.

The previous prime is 12021402307. The next prime is 12021402317. The reversal of 12021402310 is 1320412021.

It is a super-2 number, since 2×120214023102 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12021402317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220984 + ... + 269956.

It is an arithmetic number, because the mean of its divisors is an integer number (1352490471).

Almost surely, 212021402310 is an apocalyptic number.

12021402310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12021402310 is a deficient number, since it is larger than the sum of its proper divisors (9618445226).

12021402310 is a wasteful number, since it uses less digits than its factorization.

12021402310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73527.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 12021402310 its reverse (1320412021), we get a palindrome (13341814331).

The spelling of 12021402310 in words is "twelve billion, twenty-one million, four hundred two thousand, three hundred ten".

Divisors: 1 2 5 10 24547 48973 49094 97946 122735 244865 245470 489730 1202140231 2404280462 6010701155 12021402310