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13121101212202 = 229226225882969
BaseRepresentation
bin1011111011101111111010…
…0100111010101000101010
31201110100212002210111221001
42332323332210322220222
53204434003402242302
643523430051505214
72522653056046114
oct276737644725052
951410762714831
1013121101212202
1141a969a627945
12157ab5a2b820a
13742412059129
143350c97043b4
1517b49b162787
hexbeefe93aa2a

13121101212202 has 8 divisors (see below), whose sum is σ = 20360329467300. Its totient is φ = 6334324723104.

The previous prime is 13121101212181. The next prime is 13121101212209. The reversal of 13121101212202 is 20221210112131.

It can be written as a sum of positive squares in 2 ways, for example, as 12677879481201 + 443221731001 = 3560601^2 + 665749^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 13121101212202.

It is not an unprimeable number, because it can be changed into a prime (13121101212209) 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, 113112941427 + ... + 113112941542.

Almost surely, 213121101212202 is an apocalyptic number.

13121101212202 is a deficient number, since it is larger than the sum of its proper divisors (7239228255098).

13121101212202 is a wasteful number, since it uses less digits than its factorization.

13121101212202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226225883000.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 13121101212202 its reverse (20221210112131), we get a palindrome (33342311324333).

The spelling of 13121101212202 in words is "thirteen trillion, one hundred twenty-one billion, one hundred one million, two hundred twelve thousand, two hundred two".

Divisors: 1 2 29 58 226225882969 452451765938 6560550606101 13121101212202