202220021001212 has 48 divisors (see below), whose sum is σ = 357327960343200. Its totient is φ = 100129613875200.

The previous prime is 202220021001113. The next prime is 202220021001233. The reversal of 202220021001212 is 212100120022202.

It is a happy number.

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, 1263408164 + ... + 1263568212.

It is an arithmetic number, because the mean of its divisors is an integer number (7444332507150).

Almost surely, 2^{202220021001212} is an apocalyptic number.

It is an amenable number.

202220021001212 is a deficient number, since it is larger than the sum of its proper divisors (155107939341988).

202220021001212 is a wasteful number, since it uses less digits than its factorization.

202220021001212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165182 (or 165180 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 202220021001212 its reverse (212100120022202), we get a palindrome (414320141023414).

The spelling of 202220021001212 in words is "two hundred two trillion, two hundred twenty billion, twenty-one million, one thousand, two hundred twelve".