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12000301212 = 2234912036711
BaseRepresentation
bin10110010110100011…
…00001000010011100
31010222022200110112110
423023101201002130
5144034034114322
65302440034020
7603243606624
oct131321410234
933868613473
1012000301212
1150a8947a09
1223aaa62910
13119323b963
1481ba99884
154a37cec0c
hex2cb46109c

12000301212 has 24 divisors (see below), whose sum is σ = 28057744512. Its totient is φ = 3991951600.

The previous prime is 12000301211. The next prime is 12000301249. The reversal of 12000301212 is 21210300021.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12000301211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1012464 + ... + 1024247.

It is an arithmetic number, because the mean of its divisors is an integer number (1169072688).

Almost surely, 212000301212 is an apocalyptic number.

12000301212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12000301212 is an abundant number, since it is smaller than the sum of its proper divisors (16057443300).

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

12000301212 is a wasteful number, since it uses less digits than its factorization.

12000301212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2037209 (or 2037207 counting only the distinct ones).

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

Adding to 12000301212 its reverse (21210300021), we get a palindrome (33210601233).

The spelling of 12000301212 in words is "twelve billion, three hundred one thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 491 982 1473 1964 2946 5892 2036711 4073422 6110133 8146844 12220266 24440532 1000025101 2000050202 3000075303 4000100404 6000150606 12000301212