212020012031 has 2 divisors, whose sum is σ = 212020012032. Its totient is φ = 212020012030.

The previous prime is 212020012007. The next prime is 212020012067. The reversal of 212020012031 is 130210020212.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212020012031 - 2²⁶ = 211952903167 is a prime.

It is a super-2 number, since 2×212020012031² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212020011997 and 212020012015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212020032031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106010006015 + 106010006016.

It is an arithmetic number, because the mean of its divisors is an integer number (106010006016).

Almost surely, 2^212020012031 is an apocalyptic number.

212020012031 is a deficient number, since it is larger than the sum of its proper divisors (1).

212020012031 is an equidigital number, since it uses as much as digits as its factorization.

212020012031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 212020012031 its reverse (130210020212), we get a palindrome (342230032243).

The spelling of 212020012031 in words is "two hundred twelve billion, twenty million, twelve thousand, thirty-one".