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12100231310310 = 232511131961811207
BaseRepresentation
bin1011000000010100110111…
…1111010010101111100110
31120211202210220222020010200
42300011031333102233212
53041222233203412220
641422434114531330
72356133004052053
oct260051577225746
946752726866120
1012100231310310
113945752138850
121435132b96b46
1369a07c0c9b20
142db92365202a
1515eb4c5eb890
hexb014dfd2be6

12100231310310 has 384 divisors, whose sum is σ = 39543859031040. Its totient is φ = 2523175142400.

The previous prime is 12100231310263. The next prime is 12100231310333. The reversal of 12100231310310 is 1301313200121.

12100231310310 is a `hidden beast` number, since 1 + 2 + 10 + 0 + 2 + 31 + 310 + 310 = 666.

It is a super-2 number, since 2×121002313103102 (a number of 27 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 14510727 + ... + 15321933.

It is an arithmetic number, because the mean of its divisors is an integer number (102978799560).

Almost surely, 212100231310310 is an apocalyptic number.

12100231310310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12100231310310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19771929515520).

12100231310310 is an abundant number, since it is smaller than the sum of its proper divisors (27443627720730).

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

12100231310310 is a wasteful number, since it uses less digits than its factorization.

12100231310310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 811324 (or 811321 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 12100231310310 its reverse (1301313200121), we get a palindrome (13401544510431).

The spelling of 12100231310310 in words is "twelve trillion, one hundred billion, two hundred thirty-one million, three hundred ten thousand, three hundred ten".