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772121201212001 = 11358711640427571
BaseRepresentation
bin1010111110001111010111100…
…1111010111111101001100001
310202020212001210002010211100102
42233203311321322333221201
51302200413210002241001
611334055325534232145
7321430626104042654
oct25743657172775141
93666761702124312
10772121201212001
11204026842a20533
1272722318055655
13271aa941c05004
14d894c1906589b
155e3e99eae0e6b
hex2be3d79ebfa61

772121201212001 has 8 divisors (see below), whose sum is σ = 780281141006304. Its totient is φ = 763984542274240.

The previous prime is 772121201211847. The next prime is 772121201212043. The reversal of 772121201212001 is 100212102121277.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-772121201212001 is a prime.

It is a super-2 number, since 2×7721212012120012 (a number of 31 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (772121401212001) 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, 5820147455 + ... + 5820280116.

It is an arithmetic number, because the mean of its divisors is an integer number (97535142625788).

Almost surely, 2772121201212001 is an apocalyptic number.

It is an amenable number.

772121201212001 is a deficient number, since it is larger than the sum of its proper divisors (8159939794303).

772121201212001 is a wasteful number, since it uses less digits than its factorization.

772121201212001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11640428271.

The product of its (nonzero) digits is 1568, while the sum is 29.

Adding to 772121201212001 its reverse (100212102121277), we get a palindrome (872333303333278).

The spelling of 772121201212001 in words is "seven hundred seventy-two trillion, one hundred twenty-one billion, two hundred one million, two hundred twelve thousand, one".

Divisors: 1 113 587 66331 11640427571 1315368315523 6832930984177 772121201212001