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102012120203 = 722036615143
BaseRepresentation
bin101111100000001100…
…1010110110010001011
3100202022101210122021012
41133000121112302023
53132410100321303
6114510321434135
710240645500110
oct1370031266213
9322271718235
10102012120203
113a299200864
121792b79b94b
13980963b706
144d1a392907
1529c0be35d8
hex17c0656c8b

102012120203 has 8 divisors (see below), whose sum is σ = 116638219008. Its totient is φ = 87399256104.

The previous prime is 102012120191. The next prime is 102012120209. The reversal of 102012120203 is 302021210201.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102012120203 - 216 = 102012054667 is a prime.

It is a super-2 number, since 2×1020121202032 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102012120209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3292151 + ... + 3322992.

It is an arithmetic number, because the mean of its divisors is an integer number (14579777376).

Almost surely, 2102012120203 is an apocalyptic number.

102012120203 is a deficient number, since it is larger than the sum of its proper divisors (14626098805).

102012120203 is an equidigital number, since it uses as much as digits as its factorization.

102012120203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6617353.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 102012120203 its reverse (302021210201), we get a palindrome (404033330404).

The spelling of 102012120203 in words is "one hundred two billion, twelve million, one hundred twenty thousand, two hundred three".

Divisors: 1 7 2203 15421 6615143 46306001 14573160029 102012120203