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10123201131312 = 243375700000637
BaseRepresentation
bin1001001101001111110111…
…0011101011001100110000
31022211202202021220011221210
42103103331303223030300
52311324303442200222
633310311232520120
72063243234601123
oct223237563531460
938752667804853
1010123201131312
113253253144505
121175b3b6b0040
135857c95b9319
1426dd736763ba
151284dae6bd0c
hex934fdceb330

10123201131312 has 40 divisors (see below), whose sum is σ = 26858403006256. Its totient is φ = 3283200366336.

The previous prime is 10123201131257. The next prime is 10123201131371. The reversal of 10123201131312 is 21313110232101.

It is a super-2 number, since 2×101232011313122 (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2849998543 + ... + 2850002094.

Almost surely, 210123201131312 is an apocalyptic number.

10123201131312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10123201131312 is an abundant number, since it is smaller than the sum of its proper divisors (16735201874944).

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

10123201131312 is a wasteful number, since it uses less digits than its factorization.

10123201131312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5700000685 (or 5700000679 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 10123201131312 its reverse (21313110232101), we get a palindrome (31436311363413).

The spelling of 10123201131312 in words is "ten trillion, one hundred twenty-three billion, two hundred one million, one hundred thirty-one thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 37 48 74 111 148 222 296 444 592 888 1776 5700000637 11400001274 17100001911 22800002548 34200003822 45600005096 68400007644 91200010192 136800015288 210900023569 273600030576 421800047138 632700070707 843600094276 1265400141414 1687200188552 2530800282828 3374400377104 5061600565656 10123201131312