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12202131212002 = 26101065606001
BaseRepresentation
bin1011000110010000011110…
…1100100100011011100010
31121012111211111121120112201
42301210013230210123202
53044404431042241002
641541325351243414
72366401120660414
oct261440754443342
947174744546481
1012202131212002
113984992a62136
121450a3107956a
136a686b407444
1430282cb529b4
15162613525087
hexb1907b246e2

12202131212002 has 4 divisors (see below), whose sum is σ = 18303196818006. Its totient is φ = 6101065606000.

The previous prime is 12202131211999. The next prime is 12202131212003. The reversal of 12202131212002 is 20021213120221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 8250388777801 + 3951742434201 = 2872349^2 + 1987899^2 .

It is a super-2 number, since 2×122021312120022 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12202131212003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3050532802999 + ... + 3050532803002.

Almost surely, 212202131212002 is an apocalyptic number.

12202131212002 is a deficient number, since it is larger than the sum of its proper divisors (6101065606004).

12202131212002 is an equidigital number, since it uses as much as digits as its factorization.

12202131212002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6101065606003.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 12202131212002 its reverse (20021213120221), we get a palindrome (32223344332223).

The spelling of 12202131212002 in words is "twelve trillion, two hundred two billion, one hundred thirty-one million, two hundred twelve thousand, two".

Divisors: 1 2 6101065606001 12202131212002