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121203033001 = 235269697087
BaseRepresentation
bin111000011100001000…
…0111000001110101001
3102120211211220000112021
41300320100320032221
53441210434024001
6131402505344441
711520344532151
oct1607020701651
9376754800467
10121203033001
1147446a52676
121b5a6798121
13b57750120b
145c1b025761
1532458deba1
hex1c384383a9

121203033001 has 4 divisors (see below), whose sum is σ = 126472730112. Its totient is φ = 115933335892.

The previous prime is 121203032989. The next prime is 121203033053. The reversal of 121203033001 is 100330302121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 121203033001 - 213 = 121203024809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121203033071) 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, 2634848521 + ... + 2634848566.

It is an arithmetic number, because the mean of its divisors is an integer number (31618182528).

Almost surely, 2121203033001 is an apocalyptic number.

It is an amenable number.

121203033001 is a deficient number, since it is larger than the sum of its proper divisors (5269697111).

121203033001 is an equidigital number, since it uses as much as digits as its factorization.

121203033001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5269697110.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 121203033001 its reverse (100330302121), we get a palindrome (221533335122).

The spelling of 121203033001 in words is "one hundred twenty-one billion, two hundred three million, thirty-three thousand, one".

Divisors: 1 23 5269697087 121203033001