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1214343212125 = 5341236945017
BaseRepresentation
bin10001101010111100011…
…111101110110001011101
311022002102122222210002011
4101222330133232301131
5124343433330242000
62325510033231221
7153506361665011
oct21527437566135
94262378883064
101214343212125
114290000a370a
12177421102511
138a687044284
1442abb422541
15218c40162ba
hex11abc7eec5d

1214343212125 has 16 divisors (see below), whose sum is σ = 1552463757936. Its totient is φ = 947780064000.

The previous prime is 1214343212123. The next prime is 1214343212161. The reversal of 1214343212125 is 5212123434121.

It can be written as a sum of positive squares in 8 ways, for example, as 1015108640676 + 199234571449 = 1007526^2 + 446357^2 .

It is not a de Polignac number, because 1214343212125 - 21 = 1214343212123 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1214343212123) 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, 118467384 + ... + 118477633.

It is an arithmetic number, because the mean of its divisors is an integer number (97028984871).

Almost surely, 21214343212125 is an apocalyptic number.

It is an amenable number.

1214343212125 is a deficient number, since it is larger than the sum of its proper divisors (338120545811).

1214343212125 is an equidigital number, since it uses as much as digits as its factorization.

1214343212125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236945073 (or 236945063 counting only the distinct ones).

The product of its digits is 11520, while the sum is 31.

Adding to 1214343212125 its reverse (5212123434121), we get a palindrome (6426466646246).

The spelling of 1214343212125 in words is "one trillion, two hundred fourteen billion, three hundred forty-three million, two hundred twelve thousand, one hundred twenty-five".

Divisors: 1 5 25 41 125 205 1025 5125 236945017 1184725085 5923625425 9714745697 29618127125 48573728485 242868642425 1214343212125