100220132121012 has 72 divisors (see below), whose sum is σ = 254300543620032. Its totient is φ = 33279344380800.

The previous prime is 100220132121001. The next prime is 100220132121049. The reversal of 100220132121012 is 210121231022001.

100220132121012 is a `hidden beast` number, since 100 + 2 + 20 + 1 + 321 + 210 + 12 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38505873 + ... + 41026119.

Almost surely, 2^{100220132121012} is an apocalyptic number.

100220132121012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100220132121012 is an abundant number, since it is smaller than the sum of its proper divisors (154080411499020).

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

100220132121012 is a wasteful number, since it uses less digits than its factorization.

100220132121012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2524469 (or 2524464 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 100220132121012 its reverse (210121231022001), we get a palindrome (310341363143013).

The spelling of 100220132121012 in words is "one hundred trillion, two hundred twenty billion, one hundred thirty-two million, one hundred twenty-one thousand, twelve".