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12121012002002 = 219131730397911
BaseRepresentation
bin1011000001100010010010…
…0111010101110011010010
31120220202110011111202001112
42300120210213111303102
53042042313033031002
641440152133133322
72360466656034041
oct260304447256322
946822404452045
1012121012002002
113953546310012
12143917248a242
1369c011456cb7
142dc9354b8558
15160466b78852
hexb06249d5cd2

12121012002002 has 8 divisors (see below), whose sum is σ = 18276709197312. Its totient is φ = 6028775602900.

The previous prime is 12121012001941. The next prime is 12121012002013. The reversal of 12121012002002 is 20020021012121.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15865198574 + ... + 15865199337.

It is an arithmetic number, because the mean of its divisors is an integer number (2284588649664).

Almost surely, 212121012002002 is an apocalyptic number.

12121012002002 is a deficient number, since it is larger than the sum of its proper divisors (6155697195310).

12121012002002 is a wasteful number, since it uses less digits than its factorization.

12121012002002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31730398104.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12121012002002 its reverse (20020021012121), we get a palindrome (32141033014123).

The spelling of 12121012002002 in words is "twelve trillion, one hundred twenty-one billion, twelve million, two thousand, two".

Divisors: 1 2 191 382 31730397911 63460795822 6060506001001 12121012002002