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1200103211230 = 257211417176487
BaseRepresentation
bin10001011101101011101…
…110011100000011011110
311020201200020220210011121
4101131223232130003132
5124130302410224410
62315153024441154
7152463450661300
oct21355356340336
94221606823147
101200103211230
11422a62a81230
121747081791ba
1389227ab4041
144212a113970
152133dcc69da
hex1176bb9c0de

1200103211230 has 192 divisors, whose sum is σ = 2847762054144. Its totient is φ = 359790144000.

The previous prime is 1200103211213. The next prime is 1200103211243. The reversal of 1200103211230 is 321123010021.

It is a super-2 number, since 2×12001032112302 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 15652047 + ... + 15728533.

It is an arithmetic number, because the mean of its divisors is an integer number (14832094032).

Almost surely, 21200103211230 is an apocalyptic number.

1200103211230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1200103211230 is an abundant number, since it is smaller than the sum of its proper divisors (1647658842914).

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

1200103211230 is a wasteful number, since it uses less digits than its factorization.

1200103211230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76631 (or 76624 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1200103211230 its reverse (321123010021), we get a palindrome (1521226221251).

The spelling of 1200103211230 in words is "one trillion, two hundred billion, one hundred three million, two hundred eleven thousand, two hundred thirty".