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103012003212 = 2238584333601
BaseRepresentation
bin101111111101111111…
…1100110110110001100
3100211220002020221220020
41133323333212312030
53141432033100322
6115153440422140
710304506402656
oct1377377466614
9324802227806
10103012003212
113a761654758
1217b6a617950
139938837571
144db30ad6d6
152a2d8a005c
hex17fbfe6d8c

103012003212 has 12 divisors (see below), whose sum is σ = 240361340856. Its totient is φ = 34337334400.

The previous prime is 103012003207. The next prime is 103012003219. The reversal of 103012003212 is 212300210301.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1030120032122 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 103012003191 and 103012003200.

It is not an unprimeable number, because it can be changed into a prime (103012003219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4292166789 + ... + 4292166812.

It is an arithmetic number, because the mean of its divisors is an integer number (20030111738).

Almost surely, 2103012003212 is an apocalyptic number.

103012003212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

103012003212 is an abundant number, since it is smaller than the sum of its proper divisors (137349337644).

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

103012003212 is a wasteful number, since it uses less digits than its factorization.

103012003212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8584333608 (or 8584333606 counting only the distinct ones).

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

Adding to 103012003212 its reverse (212300210301), we get a palindrome (315312213513).

The spelling of 103012003212 in words is "one hundred three billion, twelve million, three thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 8584333601 17168667202 25753000803 34337334404 51506001606 103012003212