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13212003203020 = 2256311046909921
BaseRepresentation
bin1100000001000010100011…
…0000011111011111001100
31201210001111012221002211201
43000100220300133133030
53212431140304444040
644033302132555244
72532351520162366
oct300205060373714
951701435832751
1013212003203020
1142341a740aa96
1215946a9182b24
1374ab6a9c0c8b
14339670319d36
1517da1b7b0a9a
hexc0428c1f7cc

13212003203020 has 24 divisors (see below), whose sum is σ = 27789176969568. Its totient is φ = 5276425996800.

The previous prime is 13212003202997. The next prime is 13212003203071. The reversal of 13212003203020 is 2030230021231.

It is a super-2 number, since 2×132120032030202 (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

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, 523442341 + ... + 523467580.

It is an arithmetic number, because the mean of its divisors is an integer number (1157882373732).

Almost surely, 213212003203020 is an apocalyptic number.

13212003203020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13212003203020 is an abundant number, since it is smaller than the sum of its proper divisors (14577173766548).

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

13212003203020 is a wasteful number, since it uses less digits than its factorization.

13212003203020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1046910561 (or 1046910559 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 13212003203020 its reverse (2030230021231), we get a palindrome (15242233224251).

The spelling of 13212003203020 in words is "thirteen trillion, two hundred twelve billion, three million, two hundred three thousand, twenty".

Divisors: 1 2 4 5 10 20 631 1262 2524 3155 6310 12620 1046909921 2093819842 4187639684 5234549605 10469099210 20938198420 660600160151 1321200320302 2642400640604 3303000800755 6606001601510 13212003203020