212013021029 has 2 divisors, whose sum is σ = 212013021030. Its totient is φ = 212013021028.

The previous prime is 212013020981. The next prime is 212013021053. The reversal of 212013021029 is 920120310212.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 197007261025 + 15005760004 = 443855^2 + 122498^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212013021029 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 212013020995 and 212013021013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212013021079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106006510514 + 106006510515.

It is an arithmetic number, because the mean of its divisors is an integer number (106006510515).

Almost surely, 2^212013021029 is an apocalyptic number.

It is an amenable number.

212013021029 is a deficient number, since it is larger than the sum of its proper divisors (1).

212013021029 is an equidigital number, since it uses as much as digits as its factorization.

212013021029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 23.

The spelling of 212013021029 in words is "two hundred twelve billion, thirteen million, twenty-one thousand, twenty-nine".