212020111222002 has 64 divisors (see below), whose sum is σ = 471254858236800. Its totient is φ = 70658514008640.

The previous prime is 212020111221991. The next prime is 212020111222037. The reversal of 212020111222002 is 200222111020212.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 6808812949 + ... + 6808844087.

It is an arithmetic number, because the mean of its divisors is an integer number (7363357159950).

Almost surely, 2^{212020111222002} is an apocalyptic number.

212020111222002 is an abundant number, since it is smaller than the sum of its proper divisors (259234747014798).

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

212020111222002 is a wasteful number, since it uses less digits than its factorization.

212020111222002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53608 (or 53602 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 212020111222002 its reverse (200222111020212), we get a palindrome (412242222242214).

The spelling of 212020111222002 in words is "two hundred twelve trillion, twenty billion, one hundred eleven million, two hundred twenty-two thousand, two".