1206420246001 has 2 divisors, whose sum is σ = 1206420246002. Its totient is φ = 1206420246000.

The previous prime is 1206420245993. The next prime is 1206420246047. The reversal of 1206420246001 is 1006420246021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1206045436401 + 374809600 = 1098201^2 + 19360^2 .

It is an emirp because it is prime and its reverse (1006420246021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1206420246001 - 2³ = 1206420245993 is a prime.

It is a super-2 number, since 2×1206420246001² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1206420240001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 603210123000 + 603210123001.

It is an arithmetic number, because the mean of its divisors is an integer number (603210123001).

Almost surely, 2^{1206420246001} is an apocalyptic number.

It is an amenable number.

1206420246001 is a deficient number, since it is larger than the sum of its proper divisors (1).

1206420246001 is an equidigital number, since it uses as much as digits as its factorization.

1206420246001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 28.

The spelling of 1206420246001 in words is "one trillion, two hundred six billion, four hundred twenty million, two hundred forty-six thousand, one".