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122012101011001 = 224436754363703
BaseRepresentation
bin11011101111100000100111…
…111100000110011000111001
3121000000020120002210221022011
4123233200213330012120321
5111443021240324323001
61111255330240325521
734462040414451535
oct3357404774063071
9530006502727264
10122012101011001
1135971050198733
12118269199138a1
1353108cba31586
14221b5bab12bc5
15e18c34ba7d51
hex6ef827f06639

122012101011001 has 4 divisors (see below), whose sum is σ = 122012157619072. Its totient is φ = 122012044402932.

The previous prime is 122012101010999. The next prime is 122012101011011. The reversal of 122012101011001 is 100110101210221.

It is a happy number.

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 122012101011001 - 21 = 122012101010999 is a prime.

It is a super-2 number, since 2×1220121010110012 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122012101011011) 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, 24937485 + ... + 29426218.

It is an arithmetic number, because the mean of its divisors is an integer number (30503039404768).

Almost surely, 2122012101011001 is an apocalyptic number.

It is an amenable number.

122012101011001 is a deficient number, since it is larger than the sum of its proper divisors (56608071).

122012101011001 is an equidigital number, since it uses as much as digits as its factorization.

122012101011001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56608070.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 122012101011001 its reverse (100110101210221), we get a palindrome (222122202221222).

The spelling of 122012101011001 in words is "one hundred twenty-two trillion, twelve billion, one hundred one million, eleven thousand, one".

Divisors: 1 2244367 54363703 122012101011001