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122031313213213 = 2934483122030459
BaseRepresentation
bin11011101111110010100001…
…000100110101011100011101
3121000002002011000221221011001
4123233302201010311130131
5111443330112140310323
61111312224504430301
734463320462463065
oct3357624104653435
9530062130857131
10122031313213213
1135979209a605a8
121182a59ba78391
135312671139371
14221c4c05283a5
15e194ab6ac3ad
hex6efca113571d

122031313213213 has 8 divisors (see below), whose sum is σ = 126242951479200. Its totient is φ = 117819919077168.

The previous prime is 122031313213211. The next prime is 122031313213307. The reversal of 122031313213213 is 312312313130221.

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

It is a cyclic number.

It is not a de Polignac number, because 122031313213213 - 21 = 122031313213211 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122031313213211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60015223 + ... + 62015236.

It is an arithmetic number, because the mean of its divisors is an integer number (15780368934900).

Almost surely, 2122031313213213 is an apocalyptic number.

It is an amenable number.

122031313213213 is a deficient number, since it is larger than the sum of its proper divisors (4211638265987).

122031313213213 is a wasteful number, since it uses less digits than its factorization.

122031313213213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122064971.

The product of its (nonzero) digits is 3888, while the sum is 28.

Adding to 122031313213213 its reverse (312312313130221), we get a palindrome (434343626343434).

The spelling of 122031313213213 in words is "one hundred twenty-two trillion, thirty-one billion, three hundred thirteen million, two hundred thirteen thousand, two hundred thirteen".

Divisors: 1 29 34483 1000007 122030459 3538883311 4207976317697 122031313213213