212021012010 has 64 divisors (see below), whose sum is σ = 533355798528. Its totient is φ = 53838168384.

The previous prime is 212021011921. The next prime is 212021012011. The reversal of 212021012010 is 10210120212.

It is not an unprimeable number, because it can be changed into a prime (212021012011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 535092 + ... + 842831.

It is an arithmetic number, because the mean of its divisors is an integer number (8333684352).

Almost surely, 2^212021012010 is an apocalyptic number.

212021012010 is an abundant number, since it is smaller than the sum of its proper divisors (321334786518).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212021012010 is a wasteful number, since it uses less digits than its factorization.

212021012010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1378179.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 212021012010 its reverse (10210120212), we get a palindrome (222231132222).

The spelling of 212021012010 in words is "two hundred twelve billion, twenty-one million, twelve thousand, ten".