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1130231011212 = 223231395305867
BaseRepresentation
bin10000011100100111000…
…001001001011110001100
311000001022202001020220200
4100130213001021132030
5122004203114324322
62223115421013500
7144441115040322
oct20344701113614
94001282036820
101130231011212
113a6367a39186
121630680b4290
1382770c949a4
143c9bc487d12
151e5eea0c8ac
hex1072704978c

1130231011212 has 18 divisors (see below), whose sum is σ = 2856972833988. Its totient is φ = 376743670392.

The previous prime is 1130231011201. The next prime is 1130231011223. The reversal of 1130231011212 is 2121101320311.

1130231011212 is a `hidden beast` number, since 1 + 130 + 2 + 310 + 11 + 212 = 666.

It is an interprime number because it is at equal distance from previous prime (1130231011201) and next prime (1130231011223).

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 15697652898 + ... + 15697652969.

Almost surely, 21130231011212 is an apocalyptic number.

1130231011212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1130231011212 is an abundant number, since it is smaller than the sum of its proper divisors (1726741822776).

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

1130231011212 is a wasteful number, since it uses less digits than its factorization.

1130231011212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31395305877 (or 31395305872 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 1130231011212 its reverse (2121101320311), we get a palindrome (3251332331523).

The spelling of 1130231011212 in words is "one trillion, one hundred thirty billion, two hundred thirty-one million, eleven thousand, two hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 36 31395305867 62790611734 94185917601 125581223468 188371835202 282557752803 376743670404 565115505606 1130231011212