1210120022 has 16 divisors (see below), whose sum is σ = 1895005152. Its totient is φ = 578476800.

The previous prime is 1210120003. The next prime is 1210120049. The reversal of 1210120022 is 2200210121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1210119985 and 1210120012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117272 + ... + 127172.

It is an arithmetic number, because the mean of its divisors is an integer number (118437822).

Almost surely, 2^1210120022 is an apocalyptic number.

1210120022 is a deficient number, since it is larger than the sum of its proper divisors (684885130).

1210120022 is a wasteful number, since it uses less digits than its factorization.

1210120022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12583.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 1210120022 is about 34786.7794140245. The cubic root of 1210120022 is about 1065.6374685802.

Adding to 1210120022 its reverse (2200210121), we get a palindrome (3410330143).

Subtracting 1210120022 from its reverse (2200210121), we obtain a palindrome (990090099).

It can be divided in two parts, 12101 and 20022, that added together give a palindrome (32123).

The spelling of 1210120022 in words is "one billion, two hundred ten million, one hundred twenty thousand, twenty-two".