1215401201030 has 64 divisors (see below), whose sum is σ = 2265681844800. Its totient is φ = 469118791680.

The previous prime is 1215401201029. The next prime is 1215401201059. The reversal of 1215401201030 is 301021045121.

It is a junction number, because it is equal to n+sod(n) for n = 1215401200993 and 1215401201011.

It is a congruent number.

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, 47020910 + ... + 47046750.

It is an arithmetic number, because the mean of its divisors is an integer number (35401278825).

Almost surely, 2^{1215401201030} is an apocalyptic number.

1215401201030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1215401201030 is a deficient number, since it is larger than the sum of its proper divisors (1050280643770).

1215401201030 is a wasteful number, since it uses less digits than its factorization.

1215401201030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27209.

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 1215401201030 its reverse (301021045121), we get a palindrome (1516422246151).

The spelling of 1215401201030 in words is "one trillion, two hundred fifteen billion, four hundred one million, two hundred one thousand, thirty".