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122030221002131 = 13171952532827987
BaseRepresentation
bin11011101111110001011111…
…111110011000010110010011
3121000001222022220202212012202
4123233301133332120112103
5111443320343034032011
61111311524250513415
734463251431030161
oct3357613776302623
9530058286685182
10122030221002131
11359787a9486212
121182a33613586b
135312528a84a10
14221c419456231
15e1944586423b
hex6efc5ff98593

122030221002131 has 16 divisors (see below), whose sum is σ = 139148344175904. Its totient is φ = 106016625114624.

The previous prime is 122030221002113. The next prime is 122030221002187. The reversal of 122030221002131 is 131200122030221.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-122030221002131 is a prime.

It is a super-2 number, since 2×1220302210021312 (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 (122030221002631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41736920 + ... + 44564906.

It is an arithmetic number, because the mean of its divisors is an integer number (8696771510994).

Almost surely, 2122030221002131 is an apocalyptic number.

122030221002131 is a deficient number, since it is larger than the sum of its proper divisors (17118123173773).

122030221002131 is a wasteful number, since it uses less digits than its factorization.

122030221002131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3023270.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 122030221002131 its reverse (131200122030221), we get a palindrome (253230343032352).

The spelling of 122030221002131 in words is "one hundred twenty-two trillion, thirty billion, two hundred twenty-one million, two thousand, one hundred thirty-one".

Divisors: 1 13 17 221 195253 2538289 2827987 3319301 36763831 43150913 48075779 624985127 552172945711 7178248294243 9386940077087 122030221002131