150212301997 has 2 divisors, whose sum is σ = 150212301998. Its totient is φ = 150212301996.

The previous prime is 150212301959. The next prime is 150212302021. The reversal of 150212301997 is 799103212051.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 106361429161 + 43850872836 = 326131^2 + 209406^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-150212301997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (150212301907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75106150998 + 75106150999.

It is an arithmetic number, because the mean of its divisors is an integer number (75106150999).

Almost surely, 2^150212301997 is an apocalyptic number.

It is an amenable number.

150212301997 is a deficient number, since it is larger than the sum of its proper divisors (1).

150212301997 is an equidigital number, since it uses as much as digits as its factorization.

150212301997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34020, while the sum is 40.

The spelling of 150212301997 in words is "one hundred fifty billion, two hundred twelve million, three hundred one thousand, nine hundred ninety-seven".