212202013124 has 6 divisors (see below), whose sum is σ = 371353522974. Its totient is φ = 106101006560.

The previous prime is 212202013081. The next prime is 212202013141. The reversal of 212202013124 is 421310202212.

It can be written as a sum of positive squares in only one way, i.e., 193452188224 + 18749824900 = 439832^2 + 136930^2 .

It is a junction number, because it is equal to n+sod(n) for n = 212202013096 and 212202013105.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26525251637 + ... + 26525251644.

It is an arithmetic number, because the mean of its divisors is an integer number (61892253829).

Almost surely, 2^212202013124 is an apocalyptic number.

It is an amenable number.

212202013124 is a deficient number, since it is larger than the sum of its proper divisors (159151509850).

212202013124 is a wasteful number, since it uses less digits than its factorization.

212202013124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53050503285 (or 53050503283 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 212202013124 its reverse (421310202212), we get a palindrome (633512215336).

The spelling of 212202013124 in words is "two hundred twelve billion, two hundred two million, thirteen thousand, one hundred twenty-four".