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112121211000210 = 2356460957846023
BaseRepresentation
bin11001011111100101000000…
…111101000001010110010010
3112200222200102222021102120020
4121133211000331001112102
5104143443220004001320
61034243435005124310
732421330062522106
oct3137450075012622
9480880388242506
10112121211000210
11327a837a685515
12106a9a12859696
134a73ca5896259
141d989a48cb906
15ce67e3b55940
hex65f940f41592

112121211000210 has 32 divisors (see below), whose sum is σ = 269095075966080. Its totient is φ = 29898526315008.

The previous prime is 112121211000181. The next prime is 112121211000221. The reversal of 112121211000210 is 12000112121211.

It is a happy number.

It is a super-2 number, since 2×1121212110002102 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 112121211000210.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26984742 + ... + 30861281.

It is an arithmetic number, because the mean of its divisors is an integer number (8409221123940).

Almost surely, 2112121211000210 is an apocalyptic number.

112121211000210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

112121211000210 is an abundant number, since it is smaller than the sum of its proper divisors (156973864965870).

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

112121211000210 is a wasteful number, since it uses less digits than its factorization.

112121211000210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57910642.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 112121211000210 its reverse (12000112121211), we get a palindrome (124121323121421).

The spelling of 112121211000210 in words is "one hundred twelve trillion, one hundred twenty-one billion, two hundred eleven million, two hundred ten", and thus it is an aban number.

Divisors: 1 2 3 5 6 10 15 30 64609 129218 193827 323045 387654 646090 969135 1938270 57846023 115692046 173538069 289230115 347076138 578460230 867690345 1735380690 3737373700007 7474747400014 11212121100021 18686868500035 22424242200042 37373737000070 56060605500105 112121211000210