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12121010000202 = 2310141543481469
BaseRepresentation
bin1011000001100010010001…
…1111101101000101001010
31120220202110000202001002210
42300120210133231011022
53042042312030001302
641440152022205550
72360466633025635
oct260304437550512
946822400661083
1012121010000202
113953545173034
1214391718838b6
1369c010c05abc
142dc935116c1c
151604668d066c
hexb06247ed14a

12121010000202 has 32 divisors (see below), whose sum is σ = 24482680168320. Its totient is φ = 4000228731200.

The previous prime is 12121010000173. The next prime is 12121010000219. The reversal of 12121010000202 is 20200001012121.

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, 24934324 + ... + 25415792.

It is an arithmetic number, because the mean of its divisors is an integer number (765083755260).

Almost surely, 212121010000202 is an apocalyptic number.

12121010000202 is an abundant number, since it is smaller than the sum of its proper divisors (12361670168118).

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

12121010000202 is a wasteful number, since it uses less digits than its factorization.

12121010000202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523118.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12121010000202 its reverse (20200001012121), we get a palindrome (32321011012323).

The spelling of 12121010000202 in words is "twelve trillion, one hundred twenty-one billion, ten million, two hundred two", and thus it is an aban number.

Divisors: 1 2 3 6 101 202 303 606 41543 83086 124629 249258 481469 962938 1444407 2888814 4195843 8391686 12587529 25175058 48628369 97256738 145885107 291770214 20001666667 40003333334 60005000001 120010000002 2020168333367 4040336666734 6060505000101 12121010000202