20122001210 has 32 divisors (see below), whose sum is σ = 38361874752. Its totient is φ = 7573029120.

The previous prime is 20122001183. The next prime is 20122001213. The reversal of 20122001210 is 1210022102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20122001191 and 20122001200.

It is not an unprimeable number, because it can be changed into a prime (20122001213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 603065 + ... + 635555.

It is an arithmetic number, because the mean of its divisors is an integer number (1198808586).

Almost surely, 2^20122001210 is an apocalyptic number.

20122001210 is a deficient number, since it is larger than the sum of its proper divisors (18239873542).

20122001210 is a wasteful number, since it uses less digits than its factorization.

20122001210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36158.

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

Adding to 20122001210 its reverse (1210022102), we get a palindrome (21332023312).

The spelling of 20122001210 in words is "twenty billion, one hundred twenty-two million, one thousand, two hundred ten".