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120012020110020 = 2235312271627317467
BaseRepresentation
bin11011010010011001111001…
…110100111101001011000100
3120201221001000000201220001110
4123102121321310331023010
5111212234104122010040
61103124432205325020
734164403510345533
oct3322317164751304
9521831000656043
10120012020110020
113526a8a2710835
1211563172866770
1351c71147b29cc
14218c88160431a
15dd1bc4a49980
hex6d2679d3d2c4

120012020110020 has 192 divisors, whose sum is σ = 348442885840896. Its totient is φ = 30830748456960.

The previous prime is 120012020110013. The next prime is 120012020110043. The reversal of 120012020110020 is 20011020210021.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 120012020109978 and 120012020110005.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6870777327 + ... + 6870794793.

It is an arithmetic number, because the mean of its divisors is an integer number (1814806697088).

Almost surely, 2120012020110020 is an apocalyptic number.

120012020110020 is a gapful number since it is divisible by the number (10) 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 120012020110020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174221442920448).

120012020110020 is an abundant number, since it is smaller than the sum of its proper divisors (228430865730876).

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

120012020110020 is a wasteful number, since it uses less digits than its factorization.

120012020110020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34010 (or 34008 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 120012020110020 its reverse (20011020210021), we get a palindrome (140023040320041).

The spelling of 120012020110020 in words is "one hundred twenty trillion, twelve billion, twenty million, one hundred ten thousand, twenty".