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12499028202312 = 2334671912336469
BaseRepresentation
bin1011010111100010100000…
…1000101101001101001000
31122020220011202200101020000
42311320220020231031020
53114241002204433222
642325550240203000
72430011366521431
oct265705010551510
948226152611200
1012499028202312
113a89898631313
12149a48b309460
136c88653c6132
14312d55b16488
1516a1dd5939ac
hexb5e2822d348

12499028202312 has 320 divisors, whose sum is σ = 35876239027200. Its totient is φ = 4064520176640.

The previous prime is 12499028202293. The next prime is 12499028202319. The reversal of 12499028202312 is 21320282099421.

12499028202312 is a `hidden beast` number, since 1 + 2 + 49 + 90 + 2 + 8 + 202 + 312 = 666.

It is not an unprimeable number, because it can be changed into a prime (12499028202319) 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 79 ways as a sum of consecutive naturals, for example, 1932139014 + ... + 1932145482.

It is an arithmetic number, because the mean of its divisors is an integer number (112113246960).

Almost surely, 212499028202312 is an apocalyptic number.

12499028202312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12499028202312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17938119513600).

12499028202312 is an abundant number, since it is smaller than the sum of its proper divisors (23377210824888).

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

12499028202312 is a wasteful number, since it uses less digits than its factorization.

12499028202312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6978 (or 6965 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The spelling of 12499028202312 in words is "twelve trillion, four hundred ninety-nine billion, twenty-eight million, two hundred two thousand, three hundred twelve".