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12010021233 = 378324128591
BaseRepresentation
bin10110010111101101…
…00110000101110001
31010222222222021220020
423023312212011301
5144044031134413
65303424234053
7603422332110
oct131366460561
933888867806
1012010021233
115103386791
1223b216b929
131195262c52
1481d0a9c77
154a459ec23
hex2cbda6171

12010021233 has 32 divisors (see below), whose sum is σ = 18598981632. Its totient is φ = 6751814400.

The previous prime is 12010021213. The next prime is 12010021241. The reversal of 12010021233 is 33212001021.

It is not a de Polignac number, because 12010021233 - 212 = 12010017137 is a prime.

It is a super-2 number, since 2×120100212332 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12010021213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 405768 + ... + 434358.

It is an arithmetic number, because the mean of its divisors is an integer number (581218176).

Almost surely, 212010021233 is an apocalyptic number.

It is an amenable number.

12010021233 is a deficient number, since it is larger than the sum of its proper divisors (6588960399).

12010021233 is a wasteful number, since it uses less digits than its factorization.

12010021233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28925.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 12010021233 its reverse (33212001021), we get a palindrome (45222022254).

The spelling of 12010021233 in words is "twelve billion, ten million, twenty-one thousand, two hundred thirty-three".

Divisors: 1 3 7 21 83 241 249 581 723 1687 1743 5061 20003 28591 60009 85773 140021 200137 420063 600411 2373053 6890431 7119159 16611371 20671293 48233017 49834113 144699051 571905773 1715717319 4003340411 12010021233