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1212420035 = 5429756431
BaseRepresentation
bin100100001000100…
…0000111111000011
310010111101022121202
41020101000333003
54440334420120
6320150211415
742021254201
oct11021007703
93114338552
101212420035
1157241a132
1229a053b6b
13164252708
14b7044071
1571690875
hex48440fc3

1212420035 has 8 divisors (see below), whose sum is σ = 1455268416. Its totient is φ = 969693120.

The previous prime is 1212420019. The next prime is 1212420047. The reversal of 1212420035 is 5300242121.

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

It is not a de Polignac number, because 1212420035 - 24 = 1212420019 is a prime.

It is a super-4 number, since 4×12124200354 (a number of 37 digits) contains 4444 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1212419989 and 1212420016.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6731 + ... + 49700.

It is an arithmetic number, because the mean of its divisors is an integer number (181908552).

Almost surely, 21212420035 is an apocalyptic number.

1212420035 is a deficient number, since it is larger than the sum of its proper divisors (242848381).

1212420035 is an equidigital number, since it uses as much as digits as its factorization.

1212420035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60733.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1212420035 is about 34819.8224435450. The cubic root of 1212420035 is about 1066.3121754430.

Adding to 1212420035 its reverse (5300242121), we get a palindrome (6512662156).

The spelling of 1212420035 in words is "one billion, two hundred twelve million, four hundred twenty thousand, thirty-five".

Divisors: 1 5 4297 21485 56431 282155 242484007 1212420035