122020001210100 has 72 divisors (see below), whose sum is σ = 403479470675008. Its totient is φ = 27890285990400.

The previous prime is 122020001210099. The next prime is 122020001210117. The reversal of 122020001210100 is 1012100020221.

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 29052379141 + ... + 29052383340.

Almost surely, 2^{122020001210100} is an apocalyptic number.

122020001210100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122020001210100 is an abundant number, since it is smaller than the sum of its proper divisors (281459469464908).

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

122020001210100 is a wasteful number, since it uses less digits than its factorization.

122020001210100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58104762505 (or 58104762498 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 122020001210100 its reverse (1012100020221), we get a palindrome (123032101230321).

The spelling of 122020001210100 in words is "one hundred twenty-two trillion, twenty billion, one million, two hundred ten thousand, one hundred".