212100739 has 2 divisors, whose sum is σ = 212100740. Its totient is φ = 212100738.

The previous prime is 212100727. The next prime is 212100769. The reversal of 212100739 is 937001212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212100739 - 2⁷ = 212100611 is a prime.

It is a super-2 number, since 2×212100739² = 89973446968692242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (212100709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106050369 + 106050370.

It is an arithmetic number, because the mean of its divisors is an integer number (106050370).

Almost surely, 2^212100739 is an apocalyptic number.

212100739 is a deficient number, since it is larger than the sum of its proper divisors (1).

212100739 is an equidigital number, since it uses as much as digits as its factorization.

212100739 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 212100739 is about 14563.6787591597. The cubic root of 212100739 is about 596.3676273051.

The spelling of 212100739 in words is "two hundred twelve million, one hundred thousand, seven hundred thirty-nine".