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120221012112 = 2432504604419
BaseRepresentation
bin110111111110110111…
…0110001000010010000
3102111022102001012010020
41233331232301002100
53432203034341422
6131121225303440
711454121512405
oct1577556610220
9374272035106
10120221012112
1146a92699863
121b371934b80
13b44bc1a676
145b668382ac
1531d95b095c
hex1bfdbb1090

120221012112 has 20 divisors (see below), whose sum is σ = 310570948080. Its totient is φ = 40073670688.

The previous prime is 120221012059. The next prime is 120221012117. The reversal of 120221012112 is 211210122021.

It is a junction number, because it is equal to n+sod(n) for n = 120221012091 and 120221012100.

It is not an unprimeable number, because it can be changed into a prime (120221012117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1252302162 + ... + 1252302257.

It is an arithmetic number, because the mean of its divisors is an integer number (15528547404).

Almost surely, 2120221012112 is an apocalyptic number.

120221012112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120221012112 is an abundant number, since it is smaller than the sum of its proper divisors (190349935968).

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

120221012112 is a wasteful number, since it uses less digits than its factorization.

120221012112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2504604430 (or 2504604424 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 120221012112 its reverse (211210122021), we get a palindrome (331431134133).

The spelling of 120221012112 in words is "one hundred twenty billion, two hundred twenty-one million, twelve thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 48 2504604419 5009208838 7513813257 10018417676 15027626514 20036835352 30055253028 40073670704 60110506056 120221012112