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120012100212 = 22337270297523
BaseRepresentation
bin110111111000101000…
…1110101001001110100
3102110202211221100212110
41233301101311021310
53431241044201322
6131044403451020
711446004006664
oct1576121651164
9373684840773
10120012100212
114699577a1a4
121b313986a70
13b417862b64
145b46bb61a4
1531c6095c0c
hex1bf1475274

120012100212 has 24 divisors (see below), whose sum is σ = 287596565536. Its totient is φ = 38922843168.

The previous prime is 120012100193. The next prime is 120012100267. The reversal of 120012100212 is 212001210021.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135148318 + ... + 135149205.

Almost surely, 2120012100212 is an apocalyptic number.

120012100212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120012100212 is an abundant number, since it is smaller than the sum of its proper divisors (167584465324).

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

120012100212 is a wasteful number, since it uses less digits than its factorization.

120012100212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270297567 (or 270297565 counting only the distinct ones).

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

Adding to 120012100212 its reverse (212001210021), we get a palindrome (332013310233).

It can be divided in two parts, 12001210021 and 2, that multiplied together give a palindrome (24002420042).

The spelling of 120012100212 in words is "one hundred twenty billion, twelve million, one hundred thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 37 74 111 148 222 444 270297523 540595046 810892569 1081190092 1621785138 3243570276 10001008351 20002016702 30003025053 40004033404 60006050106 120012100212