1201240000220 has 48 divisors (see below), whose sum is σ = 2761185751968. Its totient is φ = 436263701760.

The previous prime is 1201240000021. The next prime is 1201240000241. The reversal of 1201240000220 is 220000421021.

It is a junction number, because it is equal to n+sod(n) for n = 1201240000195 and 1201240000204.

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, 37854254 + ... + 37885973.

It is an arithmetic number, because the mean of its divisors is an integer number (57524703166).

Almost surely, 2^{1201240000220} is an apocalyptic number.

1201240000220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1201240000220 is an abundant number, since it is smaller than the sum of its proper divisors (1559945751748).

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

1201240000220 is a wasteful number, since it uses less digits than its factorization.

1201240000220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75740310 (or 75740308 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 1201240000220 its reverse (220000421021), we get a palindrome (1421240421241).

The spelling of 1201240000220 in words is "one trillion, two hundred one billion, two hundred forty million, two hundred twenty", and thus it is an aban number.