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102210021001212 = 22331274758120971
BaseRepresentation
bin10111001111010110011111…
…111111101000011111111100
3111101220011221002201200010020
4113033112133333220133330
5101344102110334014322
61001214345130412140
730346300413535305
oct2717263777503774
9441804832650106
10102210021001212
112a627032277743
12b568ba1291050
134505495b5a9a7
141b34dc46117ac
15bc3ab587c05c
hex5cf59ffe87fc

102210021001212 has 24 divisors (see below), whose sum is σ = 246183276390912. Its totient is φ = 32970974516400.

The previous prime is 102210021001169. The next prime is 102210021001427. The reversal of 102210021001212 is 212100120012201.

It is a super-3 number, since 3×1022100210012123 (a number of 43 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102210021001191 and 102210021001200.

It is a congruent number.

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, 137379060114 + ... + 137379060857.

It is an arithmetic number, because the mean of its divisors is an integer number (10257636516288).

Almost surely, 2102210021001212 is an apocalyptic number.

102210021001212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102210021001212 is an abundant number, since it is smaller than the sum of its proper divisors (143973255389700).

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

102210021001212 is a wasteful number, since it uses less digits than its factorization.

102210021001212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274758121009 (or 274758121007 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 102210021001212 its reverse (212100120012201), we get a palindrome (314310141013413).

The spelling of 102210021001212 in words is "one hundred two trillion, two hundred ten billion, twenty-one million, one thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 31 62 93 124 186 372 274758120971 549516241942 824274362913 1099032483884 1648548725826 3297097451652 8517501750101 17035003500202 25552505250303 34070007000404 51105010500606 102210021001212