1220212001022 has 32 divisors (see below), whose sum is σ = 2793476120064. Its totient is φ = 348079485600.

The previous prime is 1220212001009. The next prime is 1220212001033. The reversal of 1220212001022 is 2201002120221.

It is a super-2 number, since 2×1220212001022² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1220212000992 and 1220212001010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22994629 + ... + 23047632.

It is an arithmetic number, because the mean of its divisors is an integer number (87296128752).

Almost surely, 2^{1220212001022} is an apocalyptic number.

1220212001022 is an abundant number, since it is smaller than the sum of its proper divisors (1573264119042).

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

1220212001022 is a wasteful number, since it uses less digits than its factorization.

1220212001022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46042904.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1220212001022 its reverse (2201002120221), we get a palindrome (3421214121243).

The spelling of 1220212001022 in words is "one trillion, two hundred twenty billion, two hundred twelve million, one thousand, twenty-two".