202012001022 has 128 divisors (see below), whose sum is σ = 455614709760. Its totient is φ = 59290560000.

The previous prime is 202012000969. The next prime is 202012001027. The reversal of 202012001022 is 220100210202.

It is a junction number, because it is equal to n+sod(n) for n = 202012000989 and 202012001007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202012001027) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 58366372 + ... + 58369832.

It is an arithmetic number, because the mean of its divisors is an integer number (3559489920).

Almost surely, 2^202012001022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202012001022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (227807354880).

202012001022 is an abundant number, since it is smaller than the sum of its proper divisors (253602708738).

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

202012001022 is a wasteful number, since it uses less digits than its factorization.

202012001022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3850.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 202012001022 its reverse (220100210202), we get a palindrome (422112211224).

The spelling of 202012001022 in words is "two hundred two billion, twelve million, one thousand, twenty-two".