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121211002 = 21144312437
BaseRepresentation
bin1110011100110…
…00100001111010
322110002011020101
413032120201322
5222012223002
620005550014
73001163563
oct716304172
9273064211
10121211002
1162469690
123471530a
131c15c1b3
141215316a
15a994587
hex739887a

121211002 has 16 divisors (see below), whose sum is σ = 198808992. Its totient is φ = 54967120.

The previous prime is 121210951. The next prime is 121211017. The reversal of 121211002 is 200112121.

It is a self number, because there is not a number n which added to its sum of digits gives 121211002.

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, 3528 + ... + 15964.

It is an arithmetic number, because the mean of its divisors is an integer number (12425562).

Almost surely, 2121211002 is an apocalyptic number.

121211002 is a deficient number, since it is larger than the sum of its proper divisors (77597990).

121211002 is a wasteful number, since it uses less digits than its factorization.

121211002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12893.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 121211002 is about 11009.5868224016. The cubic root of 121211002 is about 494.8960799429.

Adding to 121211002 its reverse (200112121), we get a palindrome (321323123).

The spelling of 121211002 in words is "one hundred twenty-one million, two hundred eleven thousand, two".

Divisors: 1 2 11 22 443 886 4873 9746 12437 24874 136807 273614 5509591 11019182 60605501 121211002