61201012070220 has 96 divisors (see below), whose sum is σ = 187033502912256. Its totient is φ = 14829289171200.

The previous prime is 61201012070213. The next prime is 61201012070251. The reversal of 61201012070220 is 2207021010216.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21535591 + ... + 24211230.

It is an arithmetic number, because the mean of its divisors is an integer number (1948265655336).

Almost surely, 2^{61201012070220} is an apocalyptic number.

61201012070220 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

61201012070220 is an abundant number, since it is smaller than the sum of its proper divisors (125832490842036).

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

61201012070220 is a wasteful number, since it uses less digits than its factorization.

61201012070220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45748871 (or 45748869 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 24.

Adding to 61201012070220 its reverse (2207021010216), we get a palindrome (63408033080436).

The spelling of 61201012070220 in words is "sixty-one trillion, two hundred one billion, twelve million, seventy thousand, two hundred twenty".