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12001002030 = 23251259105913
BaseRepresentation
bin10110010110101000…
…01100001000101110
31010222101000001212200
423023110030020232
5144034224031110
65302503042330
7603252556053
oct131324141056
933871001780
1012001002030
1150a92864a6
1223ab1403a6
131193425944
1481bbdd02a
154a38bc6c0
hex2cb50c22e

12001002030 has 48 divisors (see below), whose sum is σ = 31227683760. Its totient is φ = 3197695104.

The previous prime is 12001002029. The next prime is 12001002037. The reversal of 12001002030 is 3020010021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12001002037) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60354 + ... + 166266.

It is an arithmetic number, because the mean of its divisors is an integer number (650576745).

Almost surely, 212001002030 is an apocalyptic number.

12001002030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12001002030 is an abundant number, since it is smaller than the sum of its proper divisors (19226681730).

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

12001002030 is a wasteful number, since it uses less digits than its factorization.

12001002030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107185 (or 107182 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

Adding to 12001002030 its reverse (3020010021), we get a palindrome (15021012051).

The spelling of 12001002030 in words is "twelve billion, one million, two thousand, thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 1259 2518 3777 6295 7554 11331 12590 18885 22662 37770 56655 105913 113310 211826 317739 529565 635478 953217 1059130 1588695 1906434 3177390 4766085 9532170 133344467 266688934 400033401 666722335 800066802 1200100203 1333444670 2000167005 2400200406 4000334010 6000501015 12001002030