212202109747 has 2 divisors, whose sum is σ = 212202109748. Its totient is φ = 212202109746.

The previous prime is 212202109727. The next prime is 212202109789. The reversal of 212202109747 is 747901202212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212202109747 - 2¹⁹ = 212201585459 is a prime.

It is not a weakly prime, because it can be changed into another prime (212202109727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106101054873 + 106101054874.

It is an arithmetic number, because the mean of its divisors is an integer number (106101054874).

Almost surely, 2^212202109747 is an apocalyptic number.

212202109747 is a deficient number, since it is larger than the sum of its proper divisors (1).

212202109747 is an equidigital number, since it uses as much as digits as its factorization.

212202109747 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28224, while the sum is 37.

The spelling of 212202109747 in words is "two hundred twelve billion, two hundred two million, one hundred nine thousand, seven hundred forty-seven".