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1225412212300 = 225212254122123
BaseRepresentation
bin10001110101010000010…
…000100111011001001100
311100011000002021020202121
4101311100100213121030
5130034121011243200
62334540244302324
7154350566641363
oct21652020473114
94304002236677
101225412212300
1143277027a341
121795b00a19a4
138b72c34a313
144344b5347da
1521d20b84e1a
hex11d5042764c

1225412212300 has 18 divisors (see below), whose sum is σ = 2659144500908. Its totient is φ = 490164884880.

The previous prime is 1225412212187. The next prime is 1225412212319. The reversal of 1225412212300 is 32122145221.

It is a super-3 number, since 3×12254122123003 (a number of 37 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6127060962 + ... + 6127061161.

Almost surely, 21225412212300 is an apocalyptic number.

1225412212300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1225412212300 is an abundant number, since it is smaller than the sum of its proper divisors (1433732288608).

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

1225412212300 is a wasteful number, since it uses less digits than its factorization.

1225412212300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12254122137 (or 12254122130 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 1225412212300 its reverse (32122145221), we get a palindrome (1257534357521).

The spelling of 1225412212300 in words is "one trillion, two hundred twenty-five billion, four hundred twelve million, two hundred twelve thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 12254122123 24508244246 49016488492 61270610615 122541221230 245082442460 306353053075 612706106150 1225412212300