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1201030301021 = 73137521230501
BaseRepresentation
bin10001011110100010111…
…111000000010101011101
311020211001212101211021112
4101132202333000111131
5124134202224113041
62315425023311405
7152525436055055
oct21364277002535
94224055354245
101201030301021
11423399326541
1217492674b565
1389344ba3b95
14421b72c2565
15213953a4deb
hex117a2fc055d

1201030301021 has 16 divisors (see below), whose sum is σ = 1228728713328. Its totient is φ = 1173669120000.

The previous prime is 1201030300993. The next prime is 1201030301027.

1201030301021 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 8 ways, for example, as 2805625 + 1201027495396 = 1675^2 + 1095914^2 .

It is a cyclic number.

It is not a de Polignac number, because 1201030301021 - 214 = 1201030284637 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1201030300987 and 1201030301005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201030301027) 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, 5095271 + ... + 5325771.

It is an arithmetic number, because the mean of its divisors is an integer number (76795544583).

Almost surely, 21201030301021 is an apocalyptic number.

It is an amenable number.

1201030301021 is a deficient number, since it is larger than the sum of its proper divisors (27698412307).

1201030301021 is a wasteful number, since it uses less digits than its factorization.

1201030301021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231232.

The product of its (nonzero) digits is 36, while the sum is 14.

It can be divided in two parts, 1201030 and 301021, that added together give a palindrome (1502051).

The spelling of 1201030301021 in words is "one trillion, two hundred one billion, thirty million, three hundred one thousand, twenty-one".

Divisors: 1 73 137 521 10001 38033 71377 230501 5210521 16826573 31578637 120091021 2305240501 8766644533 16452469877 1201030301021