1212211001022 has 32 divisors (see below), whose sum is σ = 2829720517632. Its totient is φ = 338976935904.

The previous prime is 1212211000901. The next prime is 1212211001033. The reversal of 1212211001022 is 2201001122121.

It is a junction number, because it is equal to n+sod(n) for n = 1212211000992 and 1212211001010.

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, 307042353 + ... + 307046300.

It is an arithmetic number, because the mean of its divisors is an integer number (88428766176).

Almost surely, 2^{1212211001022} is an apocalyptic number.

1212211001022 is an abundant number, since it is smaller than the sum of its proper divisors (1617509516610).

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

1212211001022 is a wasteful number, since it uses less digits than its factorization.

1212211001022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614088712.

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

Adding to 1212211001022 its reverse (2201001122121), we get a palindrome (3413212123143).

The spelling of 1212211001022 in words is "one trillion, two hundred twelve billion, two hundred eleven million, one thousand, twenty-two".