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121220133211302 = 2320203355535217
BaseRepresentation
bin11011100011111111000010…
…111110101100110010100110
3120220012112100111200020201120
4123203333002332230302212
5111342032313100230202
61105451432130034410
734350602622311226
oct3343770276546246
9526175314606646
10121220133211302
1135696195aa4a04
1211719335418a06
135284017b90658
1421d112b438086
15e03331b220bc
hex6e3fc2facca6

121220133211302 has 8 divisors (see below), whose sum is σ = 242440266422616. Its totient is φ = 40406711070432.

The previous prime is 121220133211213. The next prime is 121220133211319. The reversal of 121220133211302 is 203112331022121.

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

121220133211302 is an admirable number.

It is a congruent number.

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, 10101677767603 + ... + 10101677767614.

It is an arithmetic number, because the mean of its divisors is an integer number (30305033302827).

Almost surely, 2121220133211302 is an apocalyptic number.

121220133211302 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121220133211302 is a wasteful number, since it uses less digits than its factorization.

121220133211302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20203355535222.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 121220133211302 its reverse (203112331022121), we get a palindrome (324332464233423).

The spelling of 121220133211302 in words is "one hundred twenty-one trillion, two hundred twenty billion, one hundred thirty-three million, two hundred eleven thousand, three hundred two".

Divisors: 1 2 3 6 20203355535217 40406711070434 60610066605651 121220133211302