212020121012010 has 64 divisors (see below), whose sum is σ = 509448850403328. Its totient is φ = 56471993270784.

The previous prime is 212020121011997. The next prime is 212020121012047. The reversal of 212020121012010 is 10210121020212.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 145952919 + ... + 147398421.

It is an arithmetic number, because the mean of its divisors is an integer number (7960138287552).

Almost surely, 2^{212020121012010} is an apocalyptic number.

212020121012010 is an abundant number, since it is smaller than the sum of its proper divisors (297428729391318).

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

212020121012010 is a wasteful number, since it uses less digits than its factorization.

212020121012010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1451279.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 212020121012010 its reverse (10210121020212), we get a palindrome (222230242032222).

The spelling of 212020121012010 in words is "two hundred twelve trillion, twenty billion, one hundred twenty-one million, twelve thousand, ten".