103212645157 has 2 divisors, whose sum is σ = 103212645158. Its totient is φ = 103212645156.

The previous prime is 103212645103. The next prime is 103212645161. The reversal of 103212645157 is 751546212301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78221461761 + 24991183396 = 279681^2 + 158086^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103212645157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103212649157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51606322578 + 51606322579.

It is an arithmetic number, because the mean of its divisors is an integer number (51606322579).

Almost surely, 2^103212645157 is an apocalyptic number.

It is an amenable number.

103212645157 is a deficient number, since it is larger than the sum of its proper divisors (1).

103212645157 is an equidigital number, since it uses as much as digits as its factorization.

103212645157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 50400, while the sum is 37.

Adding to 103212645157 its reverse (751546212301), we get a palindrome (854758857458).

The spelling of 103212645157 in words is "one hundred three billion, two hundred twelve million, six hundred forty-five thousand, one hundred fifty-seven".