Search a number
-
+
1201210031101 = 6472212383921
BaseRepresentation
bin10001011110101101101…
…100100111101111111101
311020211112101121001121011
4101132231230213233331
5124140034231443401
62315454523435221
7152533050540343
oct21365554475775
94224471531534
101201210031101
114234808243a3
12174976985b11
13893731b1c42
14421d3109993
15213a6058451
hex117adb27bfd

1201210031101 has 8 divisors (see below), whose sum is σ = 1203135332544. Its totient is φ = 1199284943040.

The previous prime is 1201210031069. The next prime is 1201210031123. The reversal of 1201210031101 is 1011300121021.

It is a happy number.

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 1201210031101 - 25 = 1201210031069 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 (1201210037101) 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, 14271621 + ... + 14355541.

It is an arithmetic number, because the mean of its divisors is an integer number (150391916568).

Almost surely, 21201210031101 is an apocalyptic number.

It is an amenable number.

1201210031101 is a deficient number, since it is larger than the sum of its proper divisors (1925301443).

1201210031101 is an equidigital number, since it uses as much as digits as its factorization.

1201210031101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106691.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 1201210031101 its reverse (1011300121021), we get a palindrome (2212510152122).

The spelling of 1201210031101 in words is "one trillion, two hundred one billion, two hundred ten million, thirty-one thousand, one hundred one".

Divisors: 1 647 22123 83921 14313581 54296887 1856584283 1201210031101