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12120220212042 = 232020036702007
BaseRepresentation
bin1011000001011111010101…
…1010111001101101001010
31120220200101222121122102110
42300113311122321231022
53042034202333241132
641435541410243150
72360441232653355
oct260276532715512
946820358548373
1012120220212042
11395317a377548
121438b912864b6
1369bc163ba027
142dc89c28929c
1516041c3c41cc
hexb05f56b9b4a

12120220212042 has 8 divisors (see below), whose sum is σ = 24240440424096. Its totient is φ = 4040073404012.

The previous prime is 12120220212041. The next prime is 12120220212047. The reversal of 12120220212042 is 24021202202121.

It is a sphenic number, since it is the product of 3 distinct primes.

12120220212042 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (12120220212041) 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, 1010018350998 + ... + 1010018351009.

It is an arithmetic number, because the mean of its divisors is an integer number (3030055053012).

Almost surely, 212120220212042 is an apocalyptic number.

12120220212042 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12120220212042 is a wasteful number, since it uses less digits than its factorization.

12120220212042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2020036702012.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 12120220212042 its reverse (24021202202121), we get a palindrome (36141422414163).

The spelling of 12120220212042 in words is "twelve trillion, one hundred twenty billion, two hundred twenty million, two hundred twelve thousand, forty-two".

Divisors: 1 2 3 6 2020036702007 4040073404014 6060110106021 12120220212042