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1212211011002 = 21762734385063
BaseRepresentation
bin10001101000111101011…
…010000001110110111010
311021212221001212202000012
4101220331122001312322
5124330102004323002
62324514304541522
7153402501404135
oct21507532016672
94255831782005
101212211011002
11428106571422
12176b270218a2
138a4073905c4
144295819321c
15217ebc3cd52
hex11a3d681dba

1212211011002 has 8 divisors (see below), whose sum is σ = 1818419724576. Its totient is φ = 606071102812.

The previous prime is 1212211010999. The next prime is 1212211011007. The reversal of 1212211011002 is 2001101122121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1212211011007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17157278 + ... + 17227785.

It is an arithmetic number, because the mean of its divisors is an integer number (227302465572).

Almost surely, 21212211011002 is an apocalyptic number.

1212211011002 is a deficient number, since it is larger than the sum of its proper divisors (606208713574).

1212211011002 is a wasteful number, since it uses less digits than its factorization.

1212211011002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34402692.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1212211011002 its reverse (2001101122121), we get a palindrome (3213312133123).

The spelling of 1212211011002 in words is "one trillion, two hundred twelve billion, two hundred eleven million, eleven thousand, two".

Divisors: 1 2 17627 35254 34385063 68770126 606105505501 1212211011002