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122121031012003 = 133672991358107
BaseRepresentation
bin11011110001000110000100…
…101011000100111010100011
3121000101122201121211022222201
4123301012010223010322203
5112001312332414341003
61111421343244314031
734502644664260432
oct3361060453047243
9530348647738881
10122121031012003
1135a03269354751
1211843a5a242917
13531ac6b65307a
142222991b67119
15e1b9acd93b1d
hex6f1184ac4ea3

122121031012003 has 4 divisors (see below), whose sum is σ = 122121123706840. Its totient is φ = 122120938317168.

The previous prime is 122121031011971. The next prime is 122121031012033. The reversal of 122121031012003 is 300210130121221.

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

It is a cyclic number.

It is not a de Polignac number, because 122121031012003 - 25 = 122121031011971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122121031012033) 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, 44342325 + ... + 47015782.

It is an arithmetic number, because the mean of its divisors is an integer number (30530280926710).

Almost surely, 2122121031012003 is an apocalyptic number.

122121031012003 is a deficient number, since it is larger than the sum of its proper divisors (92694837).

122121031012003 is an equidigital number, since it uses as much as digits as its factorization.

122121031012003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92694836.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 122121031012003 its reverse (300210130121221), we get a palindrome (422331161133224).

The spelling of 122121031012003 in words is "one hundred twenty-two trillion, one hundred twenty-one billion, thirty-one million, twelve thousand, three".

Divisors: 1 1336729 91358107 122121031012003