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120321012 = 22376721379
BaseRepresentation
bin1110010101111…
…11001111110100
322101101221101210
413022333033310
5221300233022
615534521420
72660466060
oct712771764
9271357353
10120321012
1161a10a59
1234366270
131bc0a086
1411da0aa0
15a86aa0c
hex72bf3f4

120321012 has 48 divisors (see below), whose sum is σ = 325660160. Its totient is φ = 33862752.

The previous prime is 120321007. The next prime is 120321037. The reversal of 120321012 is 210123021.

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 15 ways as a sum of consecutive naturals, for example, 5062 + ... + 16317.

Almost surely, 2120321012 is an apocalyptic number.

120321012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120321012 is an abundant number, since it is smaller than the sum of its proper divisors (205339148).

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

120321012 is a wasteful number, since it uses less digits than its factorization.

120321012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21460 (or 21458 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 120321012 is about 10969.0934903482. The cubic root of 120321012 is about 493.6818475180.

Adding to 120321012 its reverse (210123021), we get a palindrome (330444033).

The spelling of 120321012 in words is "one hundred twenty million, three hundred twenty-one thousand, twelve".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 67 84 134 201 268 402 469 804 938 1407 1876 2814 5628 21379 42758 64137 85516 128274 149653 256548 299306 448959 598612 897918 1432393 1795836 2864786 4297179 5729572 8594358 10026751 17188716 20053502 30080253 40107004 60160506 120321012