20120210029 has 2 divisors, whose sum is σ = 20120210030. Its totient is φ = 20120210028.

The previous prime is 20120210009. The next prime is 20120210053. The reversal of 20120210029 is 92001202102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19424833129 + 695376900 = 139373^2 + 26370^2 .

It is a cyclic number.

It is not a de Polignac number, because 20120210029 - 2⁹ = 20120209517 is a prime.

It is a super-2 number, since 2×20120210029² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20120209988 and 20120210015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20120210009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10060105014 + 10060105015.

It is an arithmetic number, because the mean of its divisors is an integer number (10060105015).

Almost surely, 2^20120210029 is an apocalyptic number.

It is an amenable number.

20120210029 is a deficient number, since it is larger than the sum of its proper divisors (1).

20120210029 is an equidigital number, since it uses as much as digits as its factorization.

20120210029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 19.

The spelling of 20120210029 in words is "twenty billion, one hundred twenty million, two hundred ten thousand, twenty-nine".