1210142120022 has 48 divisors (see below), whose sum is σ = 2862183214800. Its totient is φ = 366472900800.

The previous prime is 1210142120003. The next prime is 1210142120027. The reversal of 1210142120022 is 2200212410121.

1210142120022 is a `hidden beast` number, since 1 + 21 + 0 + 1 + 421 + 200 + 22 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 1210142119977 and 1210142120004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210142120027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1666129 + ... + 2279532.

It is an arithmetic number, because the mean of its divisors is an integer number (59628816975).

Almost surely, 2^{1210142120022} is an apocalyptic number.

1210142120022 is an abundant number, since it is smaller than the sum of its proper divisors (1652041094778).

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

1210142120022 is a wasteful number, since it uses less digits than its factorization.

1210142120022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3947229 (or 3947226 counting only the distinct ones).

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

Adding to 1210142120022 its reverse (2200212410121), we get a palindrome (3410354530143).

The spelling of 1210142120022 in words is "one trillion, two hundred ten billion, one hundred forty-two million, one hundred twenty thousand, twenty-two".