1210120001022 has 64 divisors (see below), whose sum is σ = 2479807249920. Its totient is φ = 393601680000.

The previous prime is 1210120001021. The next prime is 1210120001023. The reversal of 1210120001022 is 2201000210121.

It is an interprime number because it is at equal distance from previous prime (1210120001021) and next prime (1210120001023).

It is a junction number, because it is equal to n+sod(n) for n = 1210120000989 and 1210120001007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210120001021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12142897 + ... + 12242147.

It is an arithmetic number, because the mean of its divisors is an integer number (38746988280).

Almost surely, 2^{1210120001022} is an apocalyptic number.

1210120001022 is an abundant number, since it is smaller than the sum of its proper divisors (1269687248898).

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

1210120001022 is a wasteful number, since it uses less digits than its factorization.

1210120001022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99649.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1210120001022 its reverse (2201000210121), we get a palindrome (3411120211143).

The spelling of 1210120001022 in words is "one trillion, two hundred ten billion, one hundred twenty million, one thousand, twenty-two".