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1210132012 = 221721046827
BaseRepresentation
bin100100000100001…
…0010011000101100
310010100002002001011
41020020102120230
54434243211022
6320025155004
741662644445
oct11010223054
93110062034
101210132012
115710a7101
1229932ba64
1316393115b
14b6a0a2cc
157138c977
hex4821262c

1210132012 has 18 divisors (see below), whose sum is σ = 2249633372. Its totient is φ = 569473344.

The previous prime is 1210132009. The next prime is 1210132031. The reversal of 1210132012 is 2102310121.

It is a junction number, because it is equal to n+sod(n) for n = 1210131983 and 1210132001.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 522258 + ... + 524569.

Almost surely, 21210132012 is an apocalyptic number.

It is an amenable number.

1210132012 is a deficient number, since it is larger than the sum of its proper divisors (1039501360).

1210132012 is a wasteful number, since it uses less digits than its factorization.

1210132012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1046865 (or 1046846 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1210132012 is about 34786.9517491832. The cubic root of 1210132012 is about 1065.6409880523.

Adding to 1210132012 its reverse (2102310121), we get a palindrome (3312442133).

The spelling of 1210132012 in words is "one billion, two hundred ten million, one hundred thirty-two thousand, twelve".

Divisors: 1 2 4 17 34 68 289 578 1156 1046827 2093654 4187308 17796059 35592118 71184236 302533003 605066006 1210132012