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1230203222312 = 23153775402789
BaseRepresentation
bin10001111001101101110…
…100110111100100101000
311100121100222101202221212
4101321231310313210220
5130123424011103222
62341051512252252
7154610403566531
oct21715564674450
94317328352855
101230203222312
114347a9714049
1217a5086a1088
138c013ac499c
1443783953688
15220015a86e2
hex11e6dd37928

1230203222312 has 8 divisors (see below), whose sum is σ = 2306631041850. Its totient is φ = 615101611152.

The previous prime is 1230203222291. The next prime is 1230203222333. The reversal of 1230203222312 is 2132223020321.

It is an interprime number because it is at equal distance from previous prime (1230203222291) and next prime (1230203222333).

It can be written as a sum of positive squares in only one way, i.e., 655053897316 + 575149324996 = 809354^2 + 758386^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76887701387 + ... + 76887701402.

Almost surely, 21230203222312 is an apocalyptic number.

It is an amenable number.

1230203222312 is a deficient number, since it is larger than the sum of its proper divisors (1076427819538).

1230203222312 is a wasteful number, since it uses less digits than its factorization.

1230203222312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153775402795 (or 153775402791 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 1230203222312 its reverse (2132223020321), we get a palindrome (3362426242633).

The spelling of 1230203222312 in words is "one trillion, two hundred thirty billion, two hundred three million, two hundred twenty-two thousand, three hundred twelve".

Divisors: 1 2 4 8 153775402789 307550805578 615101611156 1230203222312